Honda Fg110 Users Manual

2015-03-12

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OWNER'S MANUAL
Mini-Tiller
FG110

See page 27 for instructions on
assembling your FG110 Mini-Tiller.

EM4
31V25002
00X31-V25-0020

Printed on
Recycled Paper

POM53749-B
IPC 40000.2006.01
PRINTED IN U.S.A.

 WARNING: 
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.

Keep this owner’s manual handy, so you can refer to it any time. This owner’s manual is considered a permanent
part of the tiller and should remain with the tiller if resold.
The information and specifications included in this publication were in effect at the time of approval for printing.
American Honda Motor Co., Inc., reserves the right, however, to discontinue or change specifications or design at
any time without notice and without incurring any obligation whatever. No part of this publication may be
reproduced without written permission.

INTRODUCTION
Congratulations on your selection of a Honda FG110 Mini-Tiller. We are certain you will be pleased with your
purchase of one of the finest tillers on the market.
We want to help you get the best results from your new tiller and to operate it safely. This manual contains the
information on how to do that; please read it carefully.
As you read this manual, you will find information preceded by a NOTICE symbol. That information is intended
to help you avoid damage to your tiller, other property, or the environment.
We suggest you read the Distributor’s Limited Warranty (page 39) and Emission Control System Warranty
(page 41) to fully understand coverage and your responsibilities of ownership.
When your tiller needs scheduled maintenance, keep in mind that your Honda servicing dealer is specially trained
in servicing Honda tillers. Your Honda servicing dealer is dedicated to your satisfaction, and will be pleased to
answer your questions and concerns.
Left and right sides of the unit are determined from the operator’s position, standing behind the tiller handlebars,
facing the direction of forward travel.

Best Wishes,
Power Equipment Division
American Honda Motor Co., Inc.

A FEW WORDS ABOUT SAFETY
Your safety, and the safety of others, is very important. And using this tiller is an important responsibility.
To help you make informed decisions about safety, we have provided operating procedures and other information
on labels in this manual. This information alerts you to potential hazards that could hurt you or others.
Of course, it is not practical or possible to warn you about all the hazards associated with operating or maintaining
a tiller. You must use your own good judgment.
You will find important safety information in a variety of forms, including:
• Safety Labels – on the tiller.
• Safety Messages – preceded by a safety alert symbol  and one of three words:
DANGER, WARNING, or CAUTION.
These signal words mean:

 DANGER

You WILL be KILLED or SERIOUSLY HURT if you don't follow instructions.

 WARNING

You CAN be KILLED or SERIOUSLY HURT if you don't follow instructions.

 CAUTION

You CAN BE HURT if you don't follow instructions.

• Safety Headings—such as IMPORTANT SAFETY INFORMATION.
• Safety Section—such as TILLER SAFETY.
• Instructions—how to use this tiller correctly and safely.
This entire book is filled with important safety information—please read it carefully.

CONTENTS
TILLER SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT SAFETY INFORMATION . . . . . . . . . .
ATTACHMENTS AND MODIFICATIONS . . . . . . . .
IMPORTANT MESSAGE TO EMPLOYERS . . . . . .
IMPORTANT MESSAGE TO PARENTS . . . . . . . . .
SAFETY LABEL LOCATIONS . . . . . . . . . . . . . . . . .

4
4
5
5
5
6

CONTROLS & EQUIPMENT . . . . . . . . . . . . . . . . . . . 7
COMPONENT & CONTROL LOCATIONS . . . . . . . 7
DESCRIPTION OF CONTROLS . . . . . . . . . . . . . . . 8

OXYGENATED FUELS . . . . . . . . . . . . . . . . . . . . . 34
EMISSIONS CONTROL SYSTEM INFORMATION. .
35
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 36
TUNEUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
CONSUMER INFORMATION . . . . . . . . . . . . . . . . 37
EMISSION CONTROL SYSTEM WARRANTY . . . 41
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
QUICK REFERENCE . . . . . . . . . . . .Inside Back Cover

BEFORE OPERATION . . . . . . . . . . . . . . . . . . . . . . 10
ARE YOU READY TO OPERATE THE TILLER? . 10
IS YOUR WORKING AREA READY? . . . . . . . . . . 11
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SAFE OPERATING PRECAUTIONS. . . . . . . . . . . 12
TILLER OPERATION . . . . . . . . . . . . . . . . . . . . . . . 14
SERVICING YOUR TILLER . . . . . . . . . . . . . . . . . .
THE IMPORTANCE OF MAINTENANCE . . . . . . .
MAINTENANCE SAFETY . . . . . . . . . . . . . . . . . . .
MAINTENANCE SCHEDULE
..............
ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION LUBRICATION . . . . . . . . . . . . .

16
16
16
17
18
24
26

ASSEMBLY
.............................
THE IMPORTANCE OF PROPER ASSEMBLY. . .
IMPORTANT SAFETY PRECAUTIONS . . . . . . . .
UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADDING OIL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BEFORE OPERATION . . . . . . . . . . . . . . . . . . . . .

27
27
27
28
28
28

STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STORAGE PREPARATION . . . . . . . . . . . . . . . . . .
STORAGE PRECAUTIONS. . . . . . . . . . . . . . . . . .
REMOVAL FROM STORAGE . . . . . . . . . . . . . . . .

29
29
30
30

TRANSPORTING . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
BEFORE LOADING . . . . . . . . . . . . . . . . . . . . . . . . 31
LOADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
TAKING CARE OF UNEXPECTED PROBLEMS . . 32
TECHNICAL & CONSUMER INFORMATION . . . . . 33
SERIAL NUMBER LOCATIONS . . . . . . . . . . . . . 33
CARBURETOR MODIFICATIONS FOR HIGH
ALTITUDE OPERATION . . . . . . . . . . . . . . . . . . . 33

TILLER SAFETY
IMPORTANT SAFETY INFORMATION
Most accidents can be prevented if you follow all instructions in this manual and on the tiller. The most common
hazards, according to accident statistics, are discussed below, along with the best way to protect yourself and
others.

Honda Tiller Usage
Honda tillers are designed to give safe and dependable service if operated according to instructions and intended
use.
Honda tillers are intended to be used by an experienced, trained operator who is familiar with the use of power
equipment. Do not allow a child or an inexperienced, untrained operator to use this tiller. Operating this equipment
requires special effort on your part to ensure your safety and the safety of others. Read and understand this
owner’s manual.

Avoid Rotating Tines
The rotating tines can cause injury. Keep away from the tine shield whenever the engine is running. If you need to
adjust the tines or work around the tines for any reason, always stop the engine. Disconnect the spark plug cap if
you need to clean or handle the tines.

Clear Tilling Area
The tiller tines can throw rocks and other objects with enough force to cause injury. Before tilling, carefully inspect
the area and remove all large debris.

Keep Shields in Place
Guards and shields are designed to protect you from being hit by thrown objects. They also help protect you from
hot engine parts and moving components. For your safety and the safety of others, keep all guards and shields in
place when operating the tiller.

Refuel with Care
Gasoline is extremely flammable and gasoline vapor can explode. Refuel only outdoors, in a well-ventilated area,
with the engine off. Never smoke near gasoline, and keep other flames and sparks away. Always store gasoline in
an approved container.

Wear Protective Clothing
Wearing protective clothing will reduce your risk of injury. Long pants and eye protection reduce the risk of injuries
from thrown objects. Sturdy shoes with aggressive soles will help protect your feet and give you better traction on
slopes or uneven ground. Clothing worn by the operator should be close-fitting. Loose clothing should not be
permitted because it may get caught in moving parts. Tie up or restrain long hair.

Turn Engine Off When Not Tilling
If you need to leave the tiller for any reason, even just to inspect the area ahead, always stop the engine.

TILLER SAFETY
ATTACHMENTS AND MODIFICATIONS
Do not make any modifications to your tiller. Modifying your tiller, or installing non-Honda attachments, can make
your tiller unsafe.
If you need attachments for your tiller, use only genuine Honda attachments. These products have been designed
for your tiller. They are covered by the Accessories, Replacement Parts, and Apparel Warranty on page 40.
Non-Honda attachments are usually designed for universal applications. Although aftermarket attachments may fit
on your tiller, they may not meet factory specifications and could make your tiller unsafe.

IMPORTANT MESSAGE TO EMPLOYERS
As an employer, you have special responsibilities to the people who work for you.
Before you ask anyone to operate this tiller, you need to determine whether the person is old enough, large
enough, and strong enough to safely handle and control the tiller.
If you decide the person is, make sure the employee reads and understands all instructions and warnings in this
manual, and on the labels before operating the tiller.
Allow adequate time for hands-on training by a qualified instructor, and personally supervise practice sessions until
you feel sure the employee is ready to operate the tiller.
Also be sure employees wear proper clothing and have eye protection and any other gear that may be required by
local ordinances or your insurance company.
Remember, too, that you are responsible for keeping the tiller properly maintained and in safe operating condition.
Your commitment to safety on the job can help prevent accidents and result in longer and more productive years of
service.

IMPORTANT MESSAGE TO PARENTS
Your child’s safety is very important to Honda. Read this message if you decide to permit your child to operate this
tiller. Tillers are tools, not toys. As with any equipment, bad judgements can result in serious injuries. You can
prevent accidents by making good decisions about if, when, and how your child operates this equipment.
The first question you’ll need to ask is whether your child is capable of operating this tiller safely. Remember, young
people vary widely, and AGE IS NOT THE ONLY FACTOR. Physically, a child must be LARGE ENOUGH AND
STRONG ENOUGH to easily start the tiller and control its direction. The child also needs enough size, strength,
and coordination to comfortably reach and operate the controls.
Another, tougher question you need to ask is if your child has enough MATURITY AND RESPONSIBILITY to safely
operate this tiller. Does the young person think through problems and come to logical solutions? Anyone who takes
unnecessary risks and does not obey rules should not operate this tiller.
If you decide that your child can handle the tiller safely, carefully read the owner’s manual with him or her. Make
sure you both understand all instructions and safety information. Also, be sure your child wears sturdy shoes and
other protective clothing when operating or handling the tiller.
SUPERVISION is also very important. Walk with your child during the first few minutes of tilling. Even after he or
she has become confident with the tiller, do not let the child use the tiller without good adult supervision. An adult
should also be present during refueling and maintenance. In fact, it’s up to the adult owner to make sure the tiller is
properly maintained and kept in safe operating condition.
By always placing safety first, your child will acquire useful skills and a sense of accomplishment. And you’ll both
get the best results from your tiller.

TILLER SAFETY
SAFETY LABEL LOCATIONS
The labels shown here contain important safety information. Please read them carefully. These labels are
considered permanent parts of your Honda tiller. If a label comes off or becomes hard to read, contact an
authorized Honda servicing dealer for a replacement.

 DANGER
CONTACT WITH ROTATING TINES
WILL CAUSE SERIOUS INJURY.
KEEP HANDS, FEET, AND CLOTHING
AWAY WHILE ENGINE IS RUNNING.

 WARNING
TO AVOID SERIOUS INJURY
•
•
•
•
•
•
•
•

READ THE OWNER’S MANUAL CAREFULLY BEFORE OPERATION.
KNOW LOCATION AND FUNCTIONS OF ALL CONTROLS.
KEEP ALL SAFETY DEVICES AND SHIELDS IN PLACE AND WORKING.
NEVER ALLOW CHILDREN OR UNINSTRUCTED ADULTS TO OPERATE MACHINE.
SHUT OFF ENGINE BEFORE MANUALLY UNCLOGGING TINES OR MAKING REPAIRS.
KEEP BYSTANDERS AWAY FROM MACHINE.
USE EXTREME CAUTION WHEN REVERSING OR PULLING THE MACHINE TOWARDS YOU.
GASOLINE IS FLAMMABLE AND EXPLOSIVE. STOP ENGINE, AVOID HEAT, SPARKS, AND
OPEN FLAME WHEN REFUELING.

CONTROLS & EQUIPMENT
COMPONENT & CONTROL LOCATIONS
ENGINE
SWITCH

THROTTLE LEVER

HANDLEBAR
KNOBS

CARRYING HANDLE
ENGINE OIL
FILLER CAP/
ENGINE OIL
DRAIN

CHOKE LEVER
RECOIL
STARTER GRIP

PRIMING BULB

TINE
SHIELD

AIR CLEANER

FUEL CAP

TRANSPORT WHEELS
OR DRAG BAR
(DRAG BAR NOT
SHOWN)
TILLING TINES

CONTROLS & EQUIPMENT
DESCRIPTION OF CONTROLS
Throttle Lever

ENGINE SWITCH

.
W

E
OF NG
F ON . S

The throttle lever controls engine speed and tiller tine
rotation.

O
FF
6

Pulling the throttle lever towards the grip increases the
engine speed which causes the tines to turn.
Releasing the throttle lever reduces engine speed and
stops the tiller tines from turning.
The tiller will have the greatest tilling force at maximum
engine speed. At idle, the tilling tines should stop
rotating.

Engine Switch
THROTTLE LEVER

The engine switch controls the ignition system.
The engine switch must be in the ON position for the
engine to start and run. Moving the engine switch to
the OFF position stops the engine.

Choke Lever
The choke lever opens and closes the choke valve in
the carburetor.
The CLOSED () position (choke lever up) enriches
the fuel mixture for starting a cold engine. The OPEN
position (choke lever down) provides the correct fuel
mixture for operation after starting, and for restarting a
warm engine.

Priming Bulb
Pressing the priming bulb pumps fuel from the fuel
tank to the carburetor. This procedure is necessary for
starting a cold engine and after refueling an engine
that has run out of fuel.
To ensure that fuel has reached the carburetor, press
the priming bulb repeatedly until fuel can be seen in
the clear plastic fuel-return tube.

CHOKE
LEVER

PRIMING
BULB
FUEL-RETURN
TUBE
(CLEAR
PLASTIC)

CONTROLS & EQUIPMENT
Transport Wheels

CARRYING
HANDLE

The transport wheels are used to move the tiller
around. Before tilling, the transport wheels must be
removed and the drag bar installed in their place.

Carrying Handle
Hold the carrying handle when starting the engine.

TRANSPORT
WHEELS

The carrying handle can be used to load/unload the
tiller, and to assist in certain engine maintenance
procedures.
RECOIL
STARTER
GRIP

Recoil Starter Grip
Pulling the starter grip operates the recoil starter to
crank the engine for starting.

Drag Bar
The drag bar is used to control the forward action of
the turning tiller tines. The drag bar can be adjusted to
control the tilling depth of the tines.

DRAG BAR

Narrow Cultivating
The two outer tines can be removed to give you a
narrower cultivating width. This gives you the ability to
get between very closely spaced plants.

BEFORE OPERATION
ARE YOU READY TO OPERATE THE TILLER?
Your safety is your responsibility. A little time spent in preparation will significantly reduce your risk of injury.

Knowledge
Read and understand this manual. Know what the controls do and how to operate them.
Familiarize yourself with the tiller and its operation before you begin to use it. Know what to do in case of
emergencies.

Physical and Mental Readiness
You must be alert and in good physical condition to operate the tiller. Do not operate the tiller if you are tired, ill, or
under the influence of alcohol, medication, or any substance that might impair your vision, dexterity, or judgment.
If you have any physical problem that may be aggravated by strenuous work, consult your physician before
operating the tiller.

Protective Clothing
Wearing protective clothing will reduce your risk of injury. Do not wear loose clothing, jewelry, short pants, sandals,
or go barefoot. Secure hair so it is above shoulder level.

Hand and Body Protection
Wear gloves, a long-sleeved shirt, and long pants made of heavy material. Clothing should fit closely but allow
freedom of movement, and should have no strings, straps, etc. that could catch on brush or the tiller. Keep clothing
fastened.

Foot Protection
Wear sturdy work boots with good toe protection and nonslip soles.

BEFORE OPERATION
IS YOUR WORKING AREA READY?
Objects thrown by the tiller can cause serious injury. Before operating the tiller, carefully inspect the area, and
remove all objects that could be thrown by, or entangled in, the tilling attachment, such as rocks, broken glass,
nails, wire, or string.
Never operate the tiller without good visibility or light.
Clear the area of children, bystanders, and pets. Keep all children, bystanders, and pets at least 50 feet
(15 meters) away from where the tiller is being operated.
If anyone approaches you while you are operating the tiller, release the throttle lever and stop the engine.

IS YOUR TILLER READY TO GO?
For your safety, and to maximize the service life of your equipment, it is very important to take a few moments
before you operate the tiller to check its condition. Be sure to take care of any problem you find, or have your
servicing dealer correct it, before you operate the tiller.

 WARNING
Improperly maintaining this tiller, or failing to correct a
problem before operation, could cause a malfunction in
which you could be seriously injured.
Always perform a pre-operation inspection before each
operation, and correct any problem.

Safety Inspection
• Look around the engine for signs of oil or gasoline leaks. Wipe up any spills before starting the engine.
• Replace any damaged parts.
• Check that all fasteners are in place and secure. Tighten as necessary.

Tiller Tine Inspection
• Look for signs of damage to the tilling tines (or any accessory installed). Replace any tiller tines and parts that
are worn out, bent, cracked, chipped, or damaged in any way.
• Make sure the tiller accessory is properly installed and securely fastened (see attachment installation
instructions).
• Check that the debris shield is securely installed and in good condition.

Maintenance Inspection
• Check the oil level (see page 18). Running the engine with a low oil level can cause engine damage.
• Check the air filter (see page 19). A dirty air filter will restrict air flow to the carburetor, reducing engine and tiller
performance.
• Check throttle operation (see page 23). The throttle must operate smoothly for good throttle control.
• Check the fuel level (see page 24). Starting with a full tank will help to eliminate or reduce operating interruptions
for refueling.

OPERATION
SAFE OPERATING PRECAUTIONS
Before operating the tiller for the first time, please review the IMPORTANT SAFETY INFORMATION on page 4 and
BEFORE OPERATION chapter starting on page 10.
Even if you have operated other tillers, take time to become familiar with the operation of this tiller’s controls and
handling.
For your safety, avoid starting or operating the engine in an enclosed area, such as a garage. Your engine’s
exhaust contains poisonous carbon monoxide gas which can collect rapidly in an enclosed area and cause illness
or death.
If the tiller starts to shake or vibrate, stop the engine immediately. After the tiller tines have completely stopped,
inspect them to determine the cause of the vibration. Sudden vibration is a sign of a hazardous problem, such as a
loose or damaged tilling tines (or tiller attachment), hidden objects in the soil, or the ground that is too hard to till.
Do not operate the tiller until the problem is corrected.
Prolonged exposure to vibration may cause vibration syndrome (Raynaud’s disease). Symptoms include loss of
skin color in the hands and numbness or a painful tingling sensation in the fingers, hands, and arms. Regular users
of any power equipment may feel the numbness or pain spontaneously, at any time, not just after using the
equipment. If any of these symptoms occur, see a physician immediately.

Moving the Tiller
Do not move the tiller with the engine running.
The tiller has transport wheels to allow easy
maneuvering to and from the work area. Install the
transport wheels by inserting the wheel bar up through
the transmission housing.
Before tilling, remove the transport wheels and install the
drag bar.
CLEVIS PIN,
6 X 25 mm

Drag Bar Installation
1. Make sure the engine is OFF before installing the
drag bar.

TRANSPORT
WHEELS

2. Remove the lock pin and the 6 x 25 mm clevis pin.
3. Remove the wheel assembly.
4. Install the drag bar with the pointed edge of the drag
bar towards the tiller tines using the 6 x 25 mm clevis
pin and lock pin.
5. When your tilling job is completed, reinstall the
transport wheels in the reverse order of removal.

DRAG BAR

CLEVIS PIN,
6 X 25 mm

OPERATION
Starting The Engine

ENGINE SWITCH

1. Move the engine switch to the ON position.
ENG. SW.

2. To start a cold engine, move the choke lever up
to the CLOSED () position.

OFF ON OFF

To restart a warm engine, leave the choke lever
down in the OPEN position.
3. To start a cold engine, or after refueling an
engine that has run out of fuel, press the priming
bulb repeatedly until fuel can be seen in the
clear plastic fuel-return tube.
To restart a warm engine, it is not necessary to
press the priming bulb.
4. Place your left hand on the carrying handle and
hold it firmly. Make sure your feet are away from
the tiller tines. With your right hand, pull the
starter grip lightly until you feel resistance, then
pull briskly. Return the starter grip gently.
5. If the choke lever was moved to the CLOSED
() position, gradually move it to the OPEN
position as the engine warms up.
Allow the engine to warm up for a few moments
after starting the engine cold.
The tiller tines should not rotate with the engine
idling. If there is rotation at idle, adjust the idle
speed correctly before using the tiller (see
page 23).

CHOKE
LEVER
(UP TO
CLOSE)

STARTER
GRIP

PRIMING
BULB
FUEL
RETURN
TUBE
(clear
plastic)

CARRYING
HANDLE

ENGINE SWITCH
ENG. SW.

Stopping the Engine

OFF ON OFF

1. Release the throttle lever.
2. Move the engine switch to the OFF position.
THROTTLE
LEVER

OPERATION
TILLER OPERATION
1. Install the drag bar (see page 12). Honda recommends using the drag bar when tilling. The tiller can be difficult
to control without the drag bar installed.
2. Set the tilling depth by moving the drag bar up or down.
The ideal height of the drag bar will depend on the type of soil being tilled, and soil conditions at the time of
tilling. In general, however, the drag bar should be adjusted so that the tiller is tilted slightly backward.
3. Start the engine (see page 13).
4. Tilt the tiller back until the tines are off the ground. Squeeze the throttle lever to full speed position (lever tight
against the grip).
5. Lower the front of the tiller until the tines begin to dig into the ground.
6. Lower the handle slightly so the front of the tiller is raised about 6 ~ 8°. To get the maximum advantage from the
tiller, hold the tiller at this angle while you are tilling the ground.

HANDLEBARS

THROTTLE LEVER

6 ~ 8°
DRAG BAR

Operating Tips
• If the tiller tends to move forward rapidly, push down on the handlebars to allow the drag bar to penetrate the soil
and slow the forward motion of the tiller. Continue to press down until the tiller tines have dug to a desired depth
that allows easy tiller handling.
• If the tines dig in but the tiller will not move forward, ease up on the handlebars and move the handlebars from
side-to-side. If the tiller still digs in, but will not move forward, raise the drag bar up one hole.
• When turning, push down on the handlebars to bring the tiller’s weight to the rear; this will make turning easier.

OPERATION
Narrow Cultivating
The two outer tines can be removed to give you a
narrower cultivating width. This width is approximately
5 inches. This gives you the ability to get between very
closely spaced plants.
To remove the two outer tines, pull the lock pins out of
the holes in the end of the tine shaft. Slide the outside
tine set off the tine shaft. Secure the inner set of tines
onto the tine shaft by placing the lock pins in the inside
set of lock pin holes.

LOCK PIN (2)

SERVICING YOUR TILLER
THE IMPORTANCE OF MAINTENANCE
Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air
pollution.

 WARNING
Improperly maintaining this tiller, or failure to correct a problem
before operation, can cause a malfunction in which you can be
seriously hurt or killed.
Always follow the inspection and maintenance
recommendations and schedules in this owner’s manual.
To help you properly care for your tiller, the following pages include a maintenance schedule, routine inspection
procedures, and simple maintenance procedures using basic hand tools. Other service tasks that are more difficult,
or require special tools, are best handled by professionals and are normally performed by a Honda technician or
other qualified mechanic.
The maintenance schedule applies to normal operating conditions. If you operate your tiller under severe
conditions, such as sustained high-load or high-temperature operation, or use it in unusually wet or dusty
conditions, consult your servicing dealer for recommendations applicable to your individual needs and use.
Remember that your authorized Honda servicing dealer knows your tiller best and is fully equipped to maintain and
repair it.
To ensure the best quality and reliability, use only new, genuine Honda parts or their equivalents for repair and
replacement.
Maintenance, replacement, or repair of the emission control devices and systems may be performed by
any engine repair establishment or individual, using parts that are “certified” to EPA standards.

MAINTENANCE SAFETY
Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard
that can arise in performing maintenance. Only you can decide whether or not you should perform a given task.

 WARNING
Failure to properly follow maintenance instructions and precautions
can cause you to be seriously hurt or killed.
Always follow the procedures and precautions in the owner’s manual.

Safety Precautions
• Make sure the engine is off before you begin any maintenance or repairs. This will eliminate several potential
hazards:
Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you
operate the engine.
Burns from hot parts. Let the engine and exhaust system cool before touching.
Injury from moving parts. Do not run the engine unless instructed to do so.
• Read the instructions before you begin, and make sure you have the tools and skills required.
• To reduce the possibility of fire or explosion, be careful when working around gasoline. Use only a nonflammable
solvent, not gasoline, to clean parts. Keep cigarettes, sparks, and flames away from all fuel-related parts.

SERVICING YOUR TILLER
MAINTENANCE SCHEDULE
REGULAR SERVICE PERIOD (3) Before
First
each month or
use
10 Hrs
ITEM Perform at every indicated
month or operating hour
interval, whichever comes first.
Engine oil

Check
Check

Every
year
or
100 Hrs

Every
2 years
or
after each
300 Hrs

Refer
to
page
number

18
O

Clean
Spark plug

Every
Every
3 months 6 months
or
or
50 Hrs
25 Hrs

Change
Air filter

Every
month
or
10 Hrs

19
O(1)

Check

Replace

21
O

Throttle cable

Check

Cooling fins

Check

Spark arrester

Clean

Fuel tank

Clean

Fuel filter

Check

Clutch shoes

Check

O(2)

—

Idle speed

Check-Adjust

O(2)

Valve clearance

Check-Adjust

O(2)

—

Combustion chamber

Clean

O(2)

—

Nuts and bolts

Check
(Retighten if
necessary)

Transmission grease

Check

Fuel tubes

Check

—

26
O(2)

(1) Service more frequently when used in dusty areas.
(2) These items should be serviced by your servicing dealer, unless you have the proper tools and are
mechanically proficient. Refer to the Honda shop manual for service procedures.
(3) Log hours of operation to determine proper maintenance intervals.

SERVICING YOUR TILLER
ENGINE
Engine Oil Level Check
Check the engine oil level before each use, or every 10
hours if operated continuously. Rest the tiller on a level
surface, with the engine stopped and in an upright
position.
1. Tip the tiller on its carry handlebar as shown.
2. Remove the oil filler cap/dipstick and wipe it clean.
3. Insert and remove the dipstick without screwing it
into the filler opening. Check the oil level shown
on the dipstick.
4. If the oil level is low, fill to the edge of the oil filler
hole with the recommended oil (see page 19). To
avoid overfilling or underfilling, be sure the engine is
in a level position, as shown.

OIL FILLER
CAP/DIPSTICK

NOTICE
Running the engine with too little or too much oil can
cause engine damage.

OIL FILLER
HOLE

CARRYING
HANDLEBAR

5. Screw in the oil filler cap/dipstick securely.

Engine Oil Change
Drain the used oil while the engine is warm. Warm oil
drains quickly and completely.
1. Place a suitable container below the engine to catch
the used oil.
2. Remove the oil filler cap/dipstick.
3. Tip the tiller to drain the used oil through the oil filler
opening. Allow the used oil to drain completely.
Please dispose of used motor oil in a manner that is
compatible with the environment. We suggest you
take used oil in a sealed container to your local
recycling center or service station for reclamation.
Do not throw it in the trash, pour it on the ground or
down a drain.

OIL LEVEL

4. With the engine resting on the carrying handlebar on
a level surface, fill to the edge of the oil filler hole
with the recommended oil (see page 19). Do not
overfill.
5. Screw in the filler cap/dipstick securely.

SERVICING YOUR TILLER
Engine Oil Recommendations
Oil is a major factor affecting performance and
service life. Use 4-stroke automotive detergent oil.
SAE 10W-30 is recommended for general use.
Other viscosities shown in the chart may be used
when the average temperature in your area is
within the recommended ranges.
The SAE oil viscosity and service classification are
in the API label on the oil container. Honda
recommends that you use API SERVICE category
SJ (or later) oil with the “starburst” certification mark
displayed on the container.

Air Filter Check
AIR CLEANER BASE

1. Move the choke lever to the CLOSED ()
position to prevent dirt from entering the engine.
2. Squeeze together the air cleaner upper tab at
the top of the air cleaner cover to release it from
its catch, then flip the cover down to remove it.

UPPER TAB

CHOKE
LEVER

3. Check the air filter to be sure it is clean and in
good condition.
4. If the air filter is dirty, clean it as described under
Air Filter Cleaning (see page 20). Replace the
air filter if it is damaged.

NOTICE
Operating the engine without an air filter, or with
a damaged air filter, will allow dirt to enter the
engine, causing rapid engine wear. This type of
damage is not covered by the Distributor’s
Limited Warranty (see page 39).

FILTER

AIR CLEANER
COVER

LOWER TABS

5. Align the air filter with the air cleaner base as
shown. Reinstall the air filter by locating the
three air cleaner base pegs into the three air
filter holes. Slide the air filter over the pegs until
it is flush with the air cleaner base.

NOTICE
An improperly installed air filter will allow dirt to
enter the engine, causing rapid engine wear.
Make sure the air filter is properly installed and
flush with the air cleaner base before installing
the air cleaner cover.
6. Reinstall the air cleaner cover by hooking the
two lower tabs on the bottom of the cover and
snapping the upper tab into place.
FILTER

SERVICING YOUR TILLER
Air Filter Cleaning
A dirty air filter restricts air flow to the carburetor,
reducing engine performance. If you operate the engine
in very dusty areas, clean the air filter after each
refueling.
1. Remove the air filter (see page 19).

1. Clean in warm,
soapy water.

2. Clean the air filter in warm soapy water, rinse, and
allow it to dry thoroughly. Or, clean in nonflammable
solvent and allow it to dry.
3. Dip the air filter in clean engine oil, then squeeze out
all excess oil. The engine will be hard to start or will
smoke when started if too much oil is left in the air
filter.

2. Rinse thoroughly, and
dry completely.

NOTICE
Operating the engine with a dry air filter will allow
dust to enter causing engine damage.The air filter
must be oiled after cleaning.
4. Wipe dirt from the air cleaner base and cover using a
moist rag. Be careful to prevent dirt from entering the
carburetor.

3. Soak in engine oil

5. Reinstall the air filter and air filter cover (see
page 19).

4. Squeeze out excess oil.

SERVICING YOUR TILLER
Spark Plug Service
Recommended spark plugs:
NGK – CM5H or CMR5H

NOTICE

FAN COVER

5 mm HEX BOLT

Incorrect spark plugs can cause engine damage.
1. Loosen the captive 5 mm hex bolt with a 4 mm Allen
wrench, then remove the fan cover.
2. Disconnect the spark plug cap, and remove any dirt
from around the spark plug area.
3. Remove the spark plug with a 5/8-inch spark plug
wrench.
4. Inspect the spark plug. Replace it if the electrodes
are worn, or if the insulator is cracked, chipped, or
fouled.

SPARK PLUG CAP

SPARK PLUG

5. Measure the spark plug electrode gap with a
suitable gauge.
Plug gap: 0.024 ~ 0.028 in (0.60 ~ 0.70 mm)
Correct the gap, if necessary, by carefully bending
the side electrode.
6. Make sure the sealing washer is attached and
install the spark plug carefully, by hand, to avoid
cross-threading.
7. After the spark plug seats, tighten with a 5/8-inch
spark plug wrench to compress the washer.
If reinstalling the used spark plug, tighten
1/8 ~ 1/4 turn after the spark plug seats. If installing
a new spark plug, tighten 1/2 turn after the spark
plug seats.

NOTICE
A loose spark plug can overheat and damage the
engine. Overtightening the spark plug can damage
the threads in the cylinder head.
8. Attach the spark plug cap.

SIDE
ELECTRODE
0.024 ~ 0.028 in
(0.60 ~ 0.70 mm)
SEALING
WASHER

9. Install the fan cover, and tighten the 5 mm hex bolt
securely.

SERVICING YOUR TILLER
Spark Arrester Service (Optional)
The spark arrester must be serviced every 100 hours
to keep it functioning as designed.

3 X 6 mm SELFTAPPING SCREW

If the engine has been running, the muffler will be
very hot. Allow the muffler to cool before servicing
the spark arrester.
1. Loosen the 5 mm hex bolt, then remove the fan
cover.
2. Remove the 3 x 6 mm self-tapping screw from the
spark arrester, and remove the spark arrester
from the muffler.

SPARK
ARRESTER
MUFFLER

3. Use a brush to remove carbon deposits from the
spark arrester screen. Be careful to avoid
damaging the screen.
The spark arrester must be free of breaks and
holes. Replace the spark arrester if it is damaged.
4. Install the spark arrester in the reverse order of
disassembly.
5. Install the fan cover, and tighten the 5 mm hex
bolt securely.

SPARK ARRESTER
SCREEN

SERVICING YOUR TILLER
Cooling Fin Inspection
Inspect the engine cooling fins. You should clean out
any dirt and debris if air is obstructed from flowing
across the cooling fins.

COOLING
FINS

1. Loosen the 5 mm hex bolt, then remove the fan
cover.
2. Remove all dirt and debris from the cooling fins.
3. Install the fan cover, and tighten the 5 mm hex bolt
securely.

Throttle Cable Inspection
Verify that the throttle trigger operates smoothly,
releases properly, and the throttle cable is undamaged.
If there is visible damage, or if the throttle lever does
not operate smoothly or release properly, take your
tiller to your authorized Honda servicing dealer.
Check the freeplay at the end of the throttle lever.
Throttle Lever Freeplay: 3/16 ~ 5/16 inch
(5 ~ 8 mm)

3/16 ~ 5/16 in
(5 ~ 8 mm)
THROTTLE
LEVER

If adjustment is needed, use the Throttle Cable
Adjustment procedure below.

Carburetor Adjustment
A tachometer is required to adjust the idle speed. If you
do not have one, take your tiller to an authorized
Honda servicing dealer to perform idle speed
adjustment.

CHOKE LEVER

1. Start the engine outdoors, and allow it to warm up to
normal operating temperature.

THROTTLE
STOP
SCREW

2. Turn the throttle stop screw to obtain a stable idle,
below the speed at which the tiller tines begin to
turn.
Standard Idle Speed: 3,100 ± 200 rpm
3. Verify that the throttle lever free play is
3/16 ~ 5/16 inch (5 ~ 8 mm). If adjustment is
needed, use the Throttle Cable Adjustment
procedure below.

Throttle Cable Adjustment

ADJUSTER
LOCK
NUTS

1. Loosen the lock nuts with a 10 mm wrench, and
move the adjuster in or out as required.
Throttle Lever Freeplay: 3/16 ~ 5/16 inch
(5 ~ 8 mm)
2. Tighten the lock nuts and recheck throttle lever
freeplay.

SERVICING YOUR TILLER
FUEL SYSTEM
Refueling
Fuel Tank Capacity: 0.6 US qt (1.2 US pt, 0.55 )

FILL
TANK
CAP

Check the fuel level by looking through the translucent
fuel tank.

 WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when
handling fuel.
•
•
•

Stop the engine and keep heat, sparks, and
flames away.
Handle fuel only outdoors.
Wipe up spills immediately.

FILLER NECK
MAXIMUM
FILL
LEVEL

FUEL
TANK

If the fuel level is low, refuel in a well-ventilated area with the engine stopped. If the engine has been running, allow
it to cool first.
To refuel, set the tiller on level ground. Remove the fuel tank cap, and fill the tank with gasoline to the bottom of the
filler neck. Refuel carefully to avoid spilling fuel. Do not overfill. There should not be fuel in the filler neck. After
refueling, tighten the fuel tank cap securely. Never refuel the engine inside a building where gasoline fumes may
reach flames or sparks. Keep gasoline away from appliance pilot lights, barbecues, electric appliances, power
tools, etc.
Spilled fuel is not only a fire hazard, it causes environmental damage. Wipe up spills immediately.
Move at least 10 feet (3 meters) away from the fueling source location before starting the engine.

NOTICE
Fuel can damage paint and plastic. Be careful not to spill fuel when filling your fuel tank. Damage caused by spilled
fuel is not covered under the Distributor’s Limited Warranty (see page 39).

Fuel Recommendations
Use unleaded gasoline with a pump octane rating of 86 or higher.
This engine is certified to operate on unleaded gasoline. Unleaded gasoline produces fewer engine and spark plug
deposits and extends exhaust system life.
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid getting dirt or water in the fuel tank.
Occasionally you may hear a light “spark knock” or “pinging” (metallic rapping noise) while operating under heavy
loads. This is no cause for concern.
If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark
knock or pinging persists, see an authorized Honda servicing dealer.

NOTICE
Running the engine with persistent spark knock or pinging can cause engine damage.
Running the engine with persistent spark knock or pinging is misuse, and the Distributor’s Limited Warranty does
not cover parts damaged by misuse (see page 39).

SERVICING YOUR TILLER
Fuel Tube Inspection
Check the fuel supply and return tubes, and replace
any tube that is damaged, cracked, or leaking.
Refer to the Honda shop manual for tube replacement
instructions, or take the tiller to an authorized Honda
servicing dealer.

FUEL
RETURN
TUBE
(clear)

FUEL
SUPPLY
TUBE
(black)

Fuel Filter and Fuel Tank Cleaning
1. Remove the fuel tank cap.
2. Tip the tiller as shown and empty the fuel tank into
an approved gasoline container. Use a funnel to
avoid spilling gasoline.
3. Pull the fuel filter out through the fuel filler neck by
hooking the black fuel supply tube with a piece of
wire, such as a partly straightened paper clip.

FUEL
TANK

4. Inspect the fuel filter. If the fuel filter is dirty, wash it
with nonflammable solvent. Be careful to avoid
damaging the filter.
5. Replace the filter if it is damaged or excessively
dirty.

FUEL
TANK
CAP

6. Rinse sediment from the fuel tank with
nonflammable solvent.
7. Insert the fuel filter in the fuel tank, and install the
fuel tank cap.
WIRE
FUEL
SUPPLY
TUBE (black)
FUEL
FILTER

FUEL FILTER

SERVICING YOUR TILLER
TRANSMISSION LUBRICATION

LOCK PIN

The transmission is pre-lubricated at the factory.
At the beginning of each tilling season, or after every
25 hours of use during the season, the transmission
should be filled with grease.
Replacement grease should be a high quality
petroleum based NLGI #2 general purpose grease
usually available in disposable tubes at most
hardware or automotive parts stores.

RIGHT OUTER
TINE (D)

GREASE
GUN

1. Place the tiller on the left side as shown.
2. Remove the lock pin from the right side tine shaft
by turning it UP [a] and pulling it out [b] as
shown. Wearing heavy gloves, remove both right
side tines.

RIGHT INNER
TINE (C)

3. Remove the air vent screw and fill hole screw
from the transmission.
4. Fill the transmission by using a grease gun or
grease applicator at the fill hole screw opening.
Push the gun or applicator against the opening
so as to seal the nozzle of the gun or applicator
against the casting embossment. Apply grease
until grease begins to come out of the top air vent
hole.
5. Reinstall the air vent screw and fill hole screw.
6. Clean the tine shaft and place a few drops of oil
on the tine shaft before installing the tines.
7. Wear heavy gloves and reinstall the tines in the
reverse order of removal.
8. Install the lock pin through the round side of the
tine shaft hole [a], then turn it over [b] to lock it in
place.

FILL HOLE
SCREW

AIR VENT
SCREW

[b]

[a]

ASSEMBLY
THE IMPORTANCE OF PROPER ASSEMBLY
Proper assembly is essential to operator safety and the reliability of the machine. Any error or oversight made by
the person assembling and servicing a unit can result in faulty operation, damage to the machine, or injury to the
operator.

 WARNING
Improper assembly can cause an unsafe condition that can lead
to serious injury or death.
Follow the procedures and precautions in the assembly
instructions carefully.
Some of the most important safety precautions are given below. However, we cannot warn you of every
conceivable hazard that can arise in performing this assembly. Only you can decide whether or not you should
perform a given task.
.

 WARNING
Failure to properly follow instructions and precautions can cause
you to be seriously hurt or killed.
Follow the procedures and precautions in this manual carefully.

IMPORTANT SAFETY PRECAUTIONS
• Make sure you have a clear understanding of all basic shop safety practices and that you are wearing appropriate clothing and safety equipment. When performing this assembly, be especially careful of the following:
Read the instructions before you begin and be sure you have the tools and skills required to perform the
tasks safely.
• Make sure the engine is off before you begin any maintenance or repairs. This will help eliminate several potential hazards:
Carbon monoxide poisoning from engine exhaust.
Be sure there is adequate ventilation whenever you run the engine.
Burns from hot parts.
Let the engine and exhaust system cool before touching.
Injury from moving parts.
Do not run the engine unless the instruction tells you to do so. Even then, keep your hands, fingers, and
clothing away from moving parts. Do not run the engine when any protective guard or shield is removed.
• To reduce the possibility of a fire or explosion, be careful when working around gasoline or batteries. Use only a
nonflammable solvent, not gasoline, to clean parts. Keep all cigarettes, sparks, and flames away from all
fuel-related parts.

ASSEMBLY
UNPACKING
1. Carefully remove the tiller and loose parts bag
from the carton.
The loose parts bag contains this owner’s
manual, the drag bar, and a bottle of 10W-30 oil.
2. Unfold the tiller upper handle to the operating
position as shown. Be careful not to crimp or
pinch the engine switch wires and throttle cable.
3. Tighten the handle knobs to secure the handle
in the correct operating position.

HANDLE
KNOBS

ADDING OIL
NOTICE
The tiller is shipped from the factory with no oil
in the engine. Add oil from the bottle of oil
supplied with the tiller before attempting to start
the engine.
1. Working on a level surface, tip the tiller on its
carrying handlebar as shown.
2. Remove the oil filler cap/dipstick.
3. Slowly add the recommended oil (included in the
box) to the bottom edge of the oil fill hole. Do not
overfill, as the engine oil tank capacity is small.
OIL FILLER
CAP/DIPSTICK

NOTICE
Running the engine with too little or too much oil
can cause engine damage.
4. Screw in the oil filler cap/dipstick securely.

OIL FILL
HOLE

BEFORE OPERATION
Before using the tiller, all tiller operators must read
the following chapters and sections:

CARRYING
HANDLEBAR

OIL BOTTLE
(INCLUDED IN BOX)

• TILLER SAFETY (see page 4).
• CONTROLS (see page 7).

OIL LEVEL
UPPER
LIMIT

• BEFORE OPERATION (see page 10).
• OPERATION (see page 12).
• MAINTENANCE SCHEDULE (see page 17).
Genuine Oil
SAE 10W30 SJ
Initial fill for the

FG100 MINI-TILLER
Not for Resale

STORAGE
STORAGE PREPARATION
Proper storage preparation is essential for keeping your tiller trouble free and looking good. The following steps will
help to keep rust and corrosion from impairing your tiller’s function and appearance, and will make the engine
easier to start when you use the tiller again.

Cleaning
1. Wash the tiller, including the area around the tiller tines.
2. Wash the engine by hand, and be careful to prevent water from entering the air cleaner.

NOTICE
Using a garden hose or pressure washing equipment can force water into the air cleaner. Water in the air
cleaner will soak the filter and can enter the carburetor or engine, causing damage.
3. Water on a hot engine can cause damage. If the engine has been running, allow it to cool for at least 1/2 hour
before washing.
4. If using a garden hose or pressure washing equipment to clean the tiller, be careful to avoid getting water into
controls and cables, or anywhere near the engine air cleaner or muffler opening.
5. After washing the tiller, wipe dry all accessible surfaces.
6. Start the engine outdoors, and let it run until it reaches normal operating temperature to evaporate any water
remaining on the engine.
7. Stop the engine and allow it to cool.
8. After the tiller is clean and dry, touch up any damaged paint, and coat other areas that may rust with a light film
of oil. Lubricate the throttle cable core with a silicone spray lubricant.

Fuel
Gasoline will oxidize and deteriorate in storage. Old gasoline will cause hard starting, and it leaves gum deposits
that restrict the fuel system. If the gasoline in your tiller deteriorates during storage, you may need to have the
carburetor and other fuel system components serviced or replaced.
The length of time that gasoline can be left in your fuel tank and carburetor without causing functional problems will
vary with such factors as gasoline blend, storage temperatures, and whether the fuel tank is partially or completely
filled. The air in a partially filled fuel tank promotes fuel deterioration. Very warm storage temperatures accelerate
fuel deterioration. Fuel deterioration problems may occur within a few months, or even less if the gasoline was not
fresh when you filled the fuel tank.
The Distributors Limited Warranty (see page 39) does not cover fuel system damage or engine performance
problems resulting from neglected storage preparation.
You can extend fuel storage life by adding a gasoline stabilizer that is formulated for that purpose, or you can avoid
fuel deterioration problems by draining the fuel tank and carburetor.

Adding Fuel Stabilizer To Extend Fuel Storage Life
When adding a fuel stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, air in the tank will promote
fuel deterioration during storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh
gasoline.
Add fuel stabilizer following the manufacturer’s instructions.
After adding a fuel stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced
the untreated gasoline in the carburetor.

STORAGE
Draining the Fuel Tank and Carburetor
1. Drain the fuel from the fuel tank to a suitable container (see page 25).
2. Start the engine (see page 13) and allow it to run until the engine stops.

 WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
•
•
•

Stop the engine and keep heat, sparks, and flames away.
Handle fuel only outdoors.
Wipe up spills immediately.

Engine Oil
Change the engine oil (see page 18).

Carburetor & Air Cleaner
Clean the air filter (see page 20) and move the choke lever to the CLOSED () position.

Engine Cylinder
Remove the spark plug (see page 21). Pour 1/4 tablespoon (1 ~ 3 cc) of clean engine oil into the cylinder. Pull the
starter rope several times to distribute the oil in the cylinder. Reinstall the spark plug. Pull the starter rope slowly
until resistance is felt then return the starter grip gently. This closes the valves so moisture cannot enter.

STORAGE PRECAUTIONS
If your tiller will be stored with gasoline in the fuel tank and carburetor, it is important to reduce the hazard of
gasoline vapor ignition. Select a well-ventilated storage area away from any appliance that operates with a flame,
such as a furnace, water heater, or clothes dryer. Also avoid any area with a spark-producing electric motor, or
where power tools are operated.
If possible, avoid storage areas with high humidity, because that promotes rust and corrosion.
With the engine and exhaust system cool, cover the tiller to keep out dust. A hot engine and exhaust system can
ignite or melt some materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap moisture,
promoting rust and corrosion.

REMOVAL FROM STORAGE
Check your tiller as described in the BEFORE OPERATION chapter of this manual (see page 10). If the fuel was
drained during storage preparation, fill the tank with fresh gasoline. If you keep a container of gasoline for refueling,
be sure that it contains only fresh gasoline. Gasoline oxidizes and deteriorates over time, causing hard starting.
If the cylinder was coated with oil during storage preparation, the engine will smoke briefly at startup. This is
normal.

TRANSPORTING
BEFORE LOADING
THROTTLE
CABLE &
ENGINE
SWITCH WIRE

If the engine has been running, allow it to cool for
at least 15 minutes before loading the tiller on the
transport vehicle. A hot engine and exhaust
system can burn you and can ignite some
materials.

UPPER
HANDLEBARS

1. Turn the engine switch to the OFF position.
2. Make sure the fuel cap is securely tightened.
3. Install the wheels to provide added stability
when transporting (see page 9).

LOADING
If necessary, loosen the handlebar knobs so that
the tiller upper handlebar can be collapsed
forward over the engine. Be careful that the
throttle cable and engine switch wire are not
pinched or bent when collapsing the upper
handlebar.

HANDLEBAR
KNOBS

TIE DOWN
HERE

Secure the tiller by tying around the lower
handlebars just in front and back of the engine.

TAKING CARE OF UNEXPECTED PROBLEMS
Engine Will Not Start
Possible Cause

Correction

Ignition switch OFF.

Turn engine switch ON (page 13).

Choke lever not in CLOSED () position (cold engine).

Move lever to CLOSED () position (page 13).

Out of fuel.

Add fuel and press priming bulb to fill carburetor (page 13).

Bad fuel, tiller stored without treating or draining gasoline,
refueled with bad gasoline.

Drain fuel tank. Refuel with fresh gasoline (page 25).

Spark plug faulty, fouled, or has incorrect gap.

Gap or replace the spark plug (page 21).

Fuel filter restricted, carburetor malfunction, ignition
malfunction, valves stuck, etc.

Have an authorized Honda servicing dealer replace or repair
faulty components as needed.

Low Power or Engine Speed Won’t Increase
Possible Cause

Correction

Air filter dirty or restricted.

Check, clean or replace the air filter (page 19, 20).

Fuel filter dirty or restricted.

Check, clean or replace the fuel filter (page 25).

Throttle cable out of adjustment, broken, or bent.

Adjust or replace the cable if necessary (page 23).

Tiller Tines (or Attachment) Won’t Stop Turning When Throttle is at SLOW Position
Possible Cause

Correction

Faulty throttle control or cable; throttle cable out of
adjustment or bent.

Check throttle control parts, adjust or replace cable if
necessary (page 23).

Idle speed is too high.

Have an authorized Honda servicing dealer adjust idle
speed.

Clutch springs worn or clutch system faulty.

Have an authorized Honda servicing dealer replace clutch
springs or replace or repair other clutch system parts.

TECHNICAL & CONSUMER INFORMATION
This chapter contains important information about serial number locations, high altitude operation, oxygenated
fuels, and emissions control systems.

SERIAL NUMBER LOCATIONS
Record the frame serial number, engine serial number, and date of purchase in the spaces below. You will need
this information when ordering parts and when making technical or warranty inquiries.
Engine Serial Number: GCAAM –

Frame Serial Number: FAAA –

Date of purchase:

ENGINE
SERIAL
NUMBER

FRAME SERIAL
NUMBER

CARBURETOR MODIFICATIONS FOR HIGH ALTITUDE OPERATION
At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease, and fuel
consumption will increase. A very rich mixture will also foul the spark plug and cause hard starting. Operation at an
altitude that differs from that at which this engine was certified, for extended periods of time, may increase
emissions.
High altitude performance can be improved by specific modifications to the carburetor. If you always operate your
tiller at altitudes above 5,000 feet (1,500 meters), have your servicing dealer perform this carburetor modification.
This engine, when operated at high altitude, with carburetor modifications for high altitude use, will meet each
emission standard throughout its useful life.
Even with carburetor modification, engine horsepower will decrease about 3.5% for each 1,000-foot (300-meter)
increase in altitude. The effect of altitude on horsepower will be greater than this if no carburetor modification is
made.

NOTICE
When the carburetor has been modified for high altitude operation, the air-fuel mixture will be too lean for Iow
altitude use. Operation at altitudes below 5,000 feet (1,500 meters) with a modified carburetor may cause the
engine to overheat and result in serious engine damage. For use at Iow altitudes, have your servicing dealer return
the carburetor to original factory specifications.

TECHNICAL & CONSUMER INFORMATION
OXYGENATED FUELS
Some conventional gasolines are being blended with alcohol or an ether compound. These gasolines are
collectively referred to as oxygenated fuels. To meet clean air standards, some areas of the USA and Canada use
oxygenated fuels to help reduce emissions. If you use an oxygenated fuel, be sure it is unleaded and meets the
minimum octane rating requirement. Before using an oxygenated fuel, try to confirm the fuel's contents. Some
states/provinces require this information to be posted on the pump.
The following are the EPA approved percentages of oxygenates:
ETHANOL ——— (ethyl or grain alcohol) 10% by volume
You may use gasoline containing up to 10% ethanol by volume. Gasoline containing
ethanol may be marketed under the name “Gasohol.”
MTBE ————— (Methyl Tertiary Butyl Ether) 15% by volume
You may use gasoline containing up to 15% MTBE by volume.
METHANOL——– (methyl or wood alcohol) 5% by volume
You may use gasoline containing up to 5% methanol by volume, as long as it also
contains cosolvents and corrosion inhibitors to protect the fuel system. Gasoline
containing more than 5% methanol by volume may cause starting and/or performance
problems. It may also damage metal, rubber, and plastic parts of your fuel system.
If you notice any undesirable operating symptoms, try another service station or switch to another brand of
gasoline. Fuel system damage or performance problems resulting from the use of an oxygenated fuel containing
more than the percentages of oxygenates mentioned above are not covered under warranty.

TECHNICAL & CONSUMER INFORMATION
EMISSIONS CONTROL SYSTEM INFORMATION
Source of Emissions
The combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of
hydrocarbons and oxides of nitrogen is very important because, under certain conditions, they react to form
photochemical smog when subjected to sunlight. Carbon monoxide does not react in the same way, but it is toxic.
Honda utilizes lean carburetor settings and other systems to reduce the emissions of carbon monoxide, oxides of
nitrogen, and hydrocarbons.

The U.S., California Clean Air Act and Environment Canada
EPA, California and Canadian regulations require all manufacturers to furnish written instructions describing the
operation and maintenance of emissions control systems.
The following instructions and procedures must be followed in order to keep the emissions from your Honda engine
within the emissions standards.

Tampering and Altering
Tampering with or altering the emissions control system may increase emissions beyond the legal limit. Among
those acts that constitute tampering are:
Removal or alteration of any part of the intake, fuel, or exhaust systems.
Altering or defeating the speed-adjusting mechanism to cause the engine to operate outside its design parameters.

Problems That May Affect Emissions
If you are aware of any of the following symptoms, have your engine inspected and repaired by your servicing
dealer.
• Hard starting or stalling after starting
• Rough idle
• Misfiring or backfiring under load
• Afterburning (backfiring)
• Black exhaust smoke or high fuel consumption

Replacement Parts
The emissions control systems on your new Honda engine were designed, built, and certified to conform with EPA,
California and Canadian emissions regulations. We recommend the use of genuine Honda parts whenever you
have maintenance done. These original-design replacement parts are manufactured to the same standards as the
original parts, so you can be confident of their performance. The use of replacement parts that are not of the
original design and quality may impair the effectiveness of your emissions control system.
A manufacturer of an aftermarket part assumes the responsibility that the part will not adversely affect emissions
performance. The manufacturer or rebuilder of the part must certify that use of the part will not result in a failure of
the engine to comply with emissions regulations.

Maintenance
Follow the MAINTENANCE SCHEDULE on page 17. Remember this schedule is based on the assumption that
your machine will be used for its designed purpose. Sustained high-load or high-temperature operation, or use in
unusually wet or dusty conditions, will require more frequent service.

TECHNICAL & CONSUMER INFORMATION
Air Index
An Air Index Information hang tag/label is applied to engines certified to an emission durability time period in
accordance with the requirements of the California Air Resources Board.
The bar graph is intended to provide you, our customer, the ability to compare the emissions performance of
available engines. The lower the Air Index, the less pollution.
The durability description is intended to provide you with information relating the engine’s emission durability
period. The descriptive term indicates the useful life period for the engine’s emission control system. See your
Emission Control System Warranty for additional information (see page 41).
Descriptive Term

Moderate
Intermediate
Extended

Applicable to Emissions Durability Period

50 hours (0–65 cc)
125 hours (greater than 65 cc)
125 hours (0–65 cc)
250 hours (greater than 65 cc)
300 hours (0–65 cc)
500 hours (greater than 65 cc)

The Air Index Information hang tag/label must remain on the trimmer/brush cutter until it is sold. Remove the hang
tag before operating the trimmer/brush cutter

SPECIFICATIONS
ENGINE
Model
Type
Description code
Displacement
Bore & stroke
Maximum horsepower
Maximum torque
Compression ratio

GX25
4-stroke, overhead cam, single cylinder
GCAAM
1.5 cu in (25 cc)
1.4 x 1.0 in (35 x 26 mm)
1.1 hp (0.81 kW) at 7,000 rpm
0.94 lbf•ft (1.25 N•m, 0.13 kgf•m) at 5,000 rpm
8.0:1

Fuel consumption*
Cooling system
Ignition system
Ignition timing
Spark plug
Carburetor
Air cleaner
Lubrication system
Oil capacity
Recommended operating ambient temperature
Starting system
Stopping system
Fuel used
Fuel tank capacity
PTO shaft rotation

0.559 lb/HPh (340 g/kWh, 250 g/HPh)
Forced-air
Transistorized magneto
30° B.T.D.C. (Fixed)
CMR5H (NGK)
Diaphragm type
Semi-dry type
Oil mist
2.7 US oz (80 cc, 2.8 Imp oz)
23°F ~ 104°F (-5°C ~ 40°C)
Recoil starter
Ignition primary circuit ground
Unleaded gasoline with a pump octane rating of 86 or higher
0.14 US gal (0.55 , 0.12 Imp gal)
Counterclockwise (from PTO shaft side)

* Actual fuel consumption will vary depending on engine load conditions.

TECHNICAL & CONSUMER INFORMATION
TILLER

Model
Description code
Length x width x height
Weight
Dry
Wet

With drag bar
With wheels
With drag bar
With wheels

Drive clutch
Drive clutch engagement speed
Tilling width
Tilling depth
Transmission drive
Tine number

FG110 A
FAAA
40.9 x 14.5 x 39.4 in (1038 x 368 x 1000 mm)
28.6 lb (13 kg)
30.6 lb (13.9 kg)
29.9 lb (13.6 kg)
31.9 lb (14.5 kg)
Centrifugal mechanical
4,200 ± 200 rpm
9 in (230 mm)
8 in (203 mm)
Worm gear
4 (6 teeth per tine)

TUNEUP
Spark plug gap
Idle speed
Valve clearance (cold)
Other specifications

0.024 ~ 0.028 in (0.6 ~ 0.7 mm)
3,100 ± 200 rpm
Intake 0.08 ± 0.02 mm
Exhaust 0.11 ± 0.02 mm
No other adjustments needed.

See page 21.
See page 23.
See shop manual.

CONSUMER INFORMATION
Find an Authorized Honda Servicing Dealer in Your Area
Call (800) 426-7701 or visit the Dealer Locator section of the Honda Power Equipment World Wide Web site:

www.hondapowerequipment.com/dealer
Customer Service Information
Honda Power Equipment dealership personnel are trained professionals. They should be able to answer any
question you may have. If you encounter a problem that your dealer does not solve to your satisfaction, please
discuss it with the dealership’s management. The Service Manager or General Manager can help. Almost all
problems are solved in this way.
If you are dissatisfied with the decision made by the dealership’s management, contact the Honda Power
Equipment Customer Relations Office.
You can write to:
American Honda Motor Co., Inc.
Power Equipment Division
Customer Relations Office
4900 Marconi Drive
Alpharetta, GA 30005-8847
Or telephone: (770) 497-6400
weekdays, 8:30 a.m. - 8:00 p.m. EST

TECHNICAL & CONSUMER INFORMATION
When you call or write, please provide us the following information:
• Model and serial numbers (tiller and engine)
• Name of the dealer who sold you the tiller
• Name and address of the dealer who services your tiller
• Date of purchase
• Your name, address, and telephone number
• A detailed description of the problem

Honda Publications
These publications will give you additional information for maintaining and repairing your tiller. You may order them
from your Honda dealer. There is a shop manual, which covers complete maintenance and overhaul procedures. It
is intended to be used by a skilled technician. There is also a parts catalog that provides a complete, illustrated
parts list.

Replacement Parts, Optional Equipment, and Service Items
Contact an authorized Honda servicing dealer to purchase genuine, original Honda items for your tiller.

Replacement Parts
Description
Air filter
Spark plug (NGK)
Tine: Right Outer
Tine: Right Inner
Tine: Left Outer
Tine: Left Inner

Part Number
17211-ZOH-800
31915-ZOH-003
72462-V25-000
72470-V25-000
72466-V25-000
72475-V25-000

Service Items
Description
SAE 10W-30 engine oil
Silicone spray
Fuel stabilizer
Matte black touch-up paint (aerosol can)

Part Number
08209-10W30
08209-0001
08732-0001
08707-NH105

Notes
Lubricates throttle cable core
For long term storage
For handlebar only

Optional Equipment
Below is a list of available optional attachments to enhance the versatility of your tiller. Apply anti-seize to the tine
shaft to make removing and installing the attachments easier.
Part Number

Notes

Digging Tines
Attachment
Aerator
Attachment

Description

06726-V25-000

Border/Edger
Attachment
De-Thatcher
Attachment

06728-V25-000

Four digging tines that are designed to cut through sod and hard
compacted soil or grass covered areas.
Four 10-tooth, 8-1/2 inch heavy gauge tempered steel aerating tines that
make slits in the soil. These slits allow water, air, and the proper nutrients
to reach the grass roots.
A 10-tooth, 8-1/2 inch edger tine of heavy gauge tempered steel that
neatly edges your garden patio, walkways, driveways and flower beds
Two de-thatching assemblies containing three gangs of 12 spring steel
combing fingers that cleanly de-thatch your lawn for healthier turf.

06727-V25-000

06729-V25-000

TECHNICAL & CONSUMER INFORMATION
Distributors Limited Warranty
PRODUCTS COVERED
BY THIS WARRANTY
FG110 Mini-Tillers

LENGTH OF WARRANTY:
(from date of original retail purchase)
Noncommercial/Nonrental
24 months

Commercial/Rental
3 months

To Qualify for this Warranty:
The product must be purchased in the United States, Puerto Rico, or the U.S. Virgin Islands from American Honda
or a dealer authorized by American Honda to sell those products. This warranty applies to the first retail purchaser
and each subsequent owner during the applicable warranty time period.

What American Honda will Repair or Replace Under Warranty:
American Honda will repair or replace, at its option, any part that is proven to be defective in material or
workmanship under normal use during the applicable warranty time period. Warranty repairs and replacements will
be made without charge for parts or labor. Anything replaced under warranty becomes the property of American
Honda Motor Company, Inc. All parts replaced under warranty will be considered as part of the original product and
any warranty on those parts will expire coincident with the original product warranty.

To Obtain Warranty Service:
You must take the Honda FG110 Mini-Tiller and proof of original retail purchase date, at your expense, to any
Honda Power Equipment dealer in the United States, Puerto Rico, or the U.S. Virgin Islands who is authorized to
service that product, during the dealer’s normal business hours. If you are unable to obtain warranty service, or are
dissatisfied with the warranty service you receive, take the following steps: First, contact the owner of the
dealership involved; normally this should resolve the problem. However, if you should require further assistance,
write or call the Power Equipment Customer Relations Department of American Honda Motor Co., Inc. Refer to
page 37 for contact information.
Exclusions: This warranty does not extend to parts affected or damaged by accident and/or collision, normal wear,
fuel contamination, use in an application for which the product was not designed or any other misuse, neglect,
incorporation or use of unsuitable attachments or parts, unauthorized alteration, or any causes other than defects
in material or workmanship of the product.
Tiller tines are specifically not warranted against damage, including but not limited to, abrasive damage.

Disclaimer of Consequential Damage and Limitation of Implied Warranties:
American Honda disclaims any responsibility for loss of time or use of the product, transportation, commercial loss,
or any other incidental or consequential damage. Any implied warranties are limited to the duration of this written
limited warranty. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the
exclusion or limitation of incidental or consequential damages, so the above exclusions and limitations may not
apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

TECHNICAL & CONSUMER INFORMATION
Accessories, Replacement Parts, and Apparel Warranty
PRODUCTS COVERED
BY THIS WARRANTY
Accessories
Replacement Parts
Apparel

LENGTH OF WARRANTY:
(from date of original retail purchase)
Noncommercial/Nonrental
24 months
6 months
6 months

Commercial/Rental
3 months
3 months
3 months

To Qualify for this Warranty:
1. The accessories, replacement parts, or apparel must be purchased in the United States, Puerto Rico, or the
U.S. Virgin Islands from American Honda or a dealer authorized by American Honda to sell those products.
2. You must be the first retail purchaser. This warranty is not transferable to subsequent owners.

What American Honda will Repair or Replace Under Warranty:
American Honda will repair or replace, at its option, any power equipment accessories, replacement parts, or
apparel that are proven to be defective in material or workmanship under normal use during the applicable
warranty time period. Anything replaced under warranty becomes the property of American Honda Motor
Company, Inc. All parts replaced under warranty will be considered as part of the original product and any warranty
on those parts will expire coincident with the original product warranty.
Accessories and replacement parts, installed by a dealer who is authorized by American Honda to sell them, will be
repaired or replaced under warranty without charge for parts or labor. If installed by anyone else, accessories and
replacement parts will be repaired or replaced under warranty without charge for parts, but any labor charges will
be the responsibility of the purchaser.
Apparel will be repaired or replaced under warranty without any charge.

To Obtain Warranty Service:
You must take the Honda Power Equipment accessory, replacement part, apparel or the power equipment on
which the accessory or replacement part is installed, and proof of purchase, at your expense, to any Honda Power
Equipment dealer in the United States, Puerto Rico, or the U.S. Virgin Islands who is authorized to service that
product, during the dealer’s normal business hours. If you are unable to obtain warranty service, or are dissatisfied
with the warranty service you receive, take the following steps: First, contact the owner of the dealership involved;
normally this will resolve the problem. However, if you should require further assistance, write or call the Power
Equipment Customer Relations Department of American Honda Motor Co., Inc. Refer to page 37 for contact
information.

Exclusions:
This warranty does not extend to accessories, parts, or apparel affected or damaged by accident and/or collision,
normal wear, use in an application for which the product was not designed or any other misuse, neglect,
incorporation or use of unsuitable attachments or parts, unauthorized alteration, improper installation, or any
causes other than defects in material or workmanship of the product.
Tiller tines, are specifically not warranted against damage, including but not limited to, abrasive damage.

Disclaimer of Consequential Damage and Limitation of Implied Warranties:
American Honda disclaims any responsibility for loss of time or use of the product, or the power equipment on
which the product is installed, transportation, commercial loss, or any other incidental or consequential damage.
Any implied warranties are limited to the duration of this written warranty. Some states do not allow limitations on
how long an implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential
damages, so the above exclusions and limitations may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

TECHNICAL & CONSUMER INFORMATION
EMISSION CONTROL SYSTEM WARRANTY
Your new Honda Power Equipment engine complies with the U.S. EPA, Environment Canada and State of California emission
regulations. American Honda Motor Co., Inc. provides the emission warranty coverage for engines in the United States, and its
territories. Honda Canada Inc. provides the emission warranty for engines in the 13 provinces and territories of Canada. In the
remainder of this Emission Control System Warranty, American Honda Motor Company Inc. and Honda Canada Inc. will be
referred to as Honda.

Your Warranty Rights And Obligations:
California
The California Air Resources Board and Honda are pleased to explain the emission control system warranty on your Honda
Power Equipment engine. In California, new spark-ignited small off-road equipment engines must be designed, built and
equipped to meet the State's stringent anti-smog standards.

Other States, U.S. territories and Canada
In other areas of the United States and in Canada, your engine must be designed, built, and equipped to meet the U.S. EPA and
Environment Canada emission standards for spark-ignited engines at or below 19 kilowatts.

All of the United States and Canada
Honda must warrant the emission control system on your power equipment engine for the period of time listed below, provided
there has been no abuse, neglect or improper maintenance of your power equipment engine. Where a warrantable condition
exists, Honda will repair your power equipment engine at no cost to you including diagnosis, parts and labor.
Your emission control system may include such parts as the carburetor or fuel injection system, the ignition system, and
catalytic converter. Also included may be hoses, connectors and other emission-related assemblies.

Manufacturer's Warranty Coverage:
The 1995 and later power equipment engines are warranted for two years. If any emission-related part on your engine is
defective, the part will be repaired or replaced by Honda.

Owner's Warranty Responsibility:
As the power equipment engine owner, you are responsible for the performance of the required maintenance listed in your
owner's manual. Honda recommends that you retain all receipts covering maintenance on your power equipment engine, but
Honda cannot deny warranty coverage solely for the lack of receipts or for your failure to ensure the performance of all
scheduled maintenance.
As the power equipment engine owner, you should however be aware Honda may deny you warranty coverage if your power
equipment engine or a part has failed due to abuse, neglect, improper maintenance, or unapproved modifications.
You are responsible for presenting your power equipment engine to a Honda Power Equipment dealer as soon as a problem
exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding your warranty rights and responsibilities, you should contact the Honda Office in your
region:
American Honda Motor Co., Inc.
Power Equipment Customer Relations
4900 Marconi Drive
Alpharetta, Georgia 30005-8847
Telephone: (770) 497-6400

Honda Canada Inc.
Power Equipment Customer Relations
715 Milner Avenue
Toronto, ON M1B 2K8
Telephone: (888) 946-6329

TECHNICAL & CONSUMER INFORMATION
Warranty Coverage:
Honda power equipment engines manufactured after January 1, 1995 and sold in the State of California, U.S. EPA certified
engines manufactured on or after September 1, 1996 and sold in all of the United States, and Canadian certified engines
manufactured on or after January 1, 2005 are covered by this warranty for a period of two years from the date of delivery to the
original retail purchaser. This warranty is transferable to each subsequent purchaser for the duration of the warranty period.
Warranty repairs will be made without charge for diagnosis, parts or labor. All defective parts replaced under this warranty
become the property of Honda. Warranted parts are listed under Emission Control System Warranty Parts later on this page.
Normal maintenance items, such as spark plugs and filters, that are on the warranted parts list are warranted up to their
required replacement interval only.
Honda is also liable for damages to other engine components caused by a failure of any warranted part during the warranty
period.
Only Honda approved replacement parts may be used in the performance of any warranty repairs and must be provided without
charge to the owner. The use of replacement parts not equivalent to the original parts may impair the effectiveness of your
engine emission control system. If such a replacement part is used in the repair or maintenance of your engine, and an
authorized Honda dealer determines it is defective or causes a failure of a warranted part, your claim for repair of your engine
may be denied. If the part in question is not related to the reason your engine requires repair, your claim will not be denied.

To Obtain Warranty Service:
You must take your Honda Power Equipment engine or the product on which it is installed, along with your sales registration
card or other proof of original purchase date, at your expense, to any Honda Power Equipment dealer who is authorized by
Honda to sell and service that Honda product during his normal business hours. Claims for repair or adjustment found to be
caused solely by defects in material or workmanship will not be denied because the engine was not properly maintained and
used.
If you are unable to obtain warranty service, or are dissatisfied with the warranty service you received, contact the owner of the
dealership involved. Normally this should resolve your problem. However, if you require further assistance, write or call the
Honda Power Equipment Customer Relations Department in your region.

Exclusions:
Failures other than those resulting from defects in material or workmanship are not covered by this warranty. This warranty does
not extend to emission control systems or parts which are affected or damaged by owner abuse, neglect, improper
maintenance, misuse, misfueling, improper storage, accident and/or collision, the incorporation of, or any use of, any add-on or
modified parts, unsuitable attachments, or the unauthorized alteration of any part.
This warranty does not cover replacement of expendable maintenance items made in connection with required maintenance
services after the item's first scheduled replacement as listed in the maintenance section of the product owner's manual, such
as: spark plugs and filters.

Disclaimer of Consequential Damage and Limitation of Implied Warranties:
American Honda Motor Co., Inc. and Honda Canada Inc. disclaim any responsibility for incidental or consequential damages
such as loss of time or the use of the power equipment, or any commercial loss due to the failure of the equipment; and any
implied warranties are limited to the duration of this written warranty. This warranty is applicable only where the California, U.S.
EPA or Environment Canada Emission Control System Warranty regulation is in effect.

Emission Control System Warranty Parts:
SYSTEMS COVERED
BY THIS WARRANTY:
Fuel Metering

PARTS DESCRIPTION:

Carburetor assembly, (includes starting enrichment system), Engine temperature sensor,
Engine control module, Fuel regulator, Intake manifold
Evaporative
Fuel hoses
Exhaust
Catalyst, Exhaust manifold
Air Induction
Air filter housing, Air filter element*, Crankcase breather tube
Ignition
Flywheel magneto, Ignition pulse generator, Crankshaft position sensor, Power coil, Ignition coil
assembly, Ignition control module, Spark plug cap, Spark plug*
Miscellaneous Parts
Tubing, fittings, seals, gaskets, and clamps associated with these listed systems.
* Covered up to the first required replacement only. See the Maintenance Schedule on page 17.

INDEX
A

Air Filter
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Idle Speed Adjustment . . . . . . . . . . . . . . . . . . . . . . . 23
Importance of Proper Assembly . . . . . . . . . . . . . . . . 27
Important Safety Precautions . . . . . . . . . . . . . . . . . . 27
Inspection Before Tilling
Tiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Tilling Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

B
Before Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Damage Prevention Message Definition. . . . . . . . . . . 1
Description of Controls . . . . . . . . . . . . . . . . . . . . . . . . 8
Drag Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Maintenance
Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Cooling Fins . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Engine Oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Idle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Importance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Spark Arrester . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Throttle Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Moving The Tiller . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

C
Carburetor Adjustment . . . . . . . . . . . . . . . . . . . . . . . 23
Carrying Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Choke Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Clothing Recommendations . . . . . . . . . . . . . . . . . . . 10
Component Identification . . . . . . . . . . . . . . . . . . . . . . 7
Cooling Fin Inspection . . . . . . . . . . . . . . . . . . . . . . . 23

Emission Control System . . . . . . . . . . . . . . . . . . . . . 35
Employer message . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Engine
Fuel Recommendations . . . . . . . . . . . . . . . . . . . 24
Oil Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Oil Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Oil Recommendations . . . . . . . . . . . . . . . . . . . . 19
Operating Problems . . . . . . . . . . . . . . . . . . . . . . 32
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8,13

F
Frame Serial Number . . . . . . . . . . . . . . . . . . . . . . . . 33
Fuel
Additive to Extend Storage Life . . . . . . . . . . . . . 29
Draining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Gasoline Recommendations . . . . . . . . . . . . . . . 24
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

G
Gasoline Recommendations. . . . . . . . . . . . . . . . . . . 24

H
Handlebars
Folding for Transportation . . . . . . . . . . . . . . . . . 31

Oil, Engine
Change. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Level Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Recommendations . . . . . . . . . . . . . . . . . . . . . . . 19
Operating the Tiller . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Oxygenated Fuels. . . . . . . . . . . . . . . . . . . . . . . . . . . 34

P
Parent’s message . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Parts, Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 35
Priming Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8,13
Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Recoil Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9,13
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . 35

S
Safety
Attachments and Modifications . . . . . . . . . . . . . . 5
Important Message to Employers. . . . . . . . . . . . . 5
Important Message to Parents . . . . . . . . . . . . . . . 5
Important Safety Information . . . . . . . . . . . . . . . . 4
Safety Label Locations . . . . . . . . . . . . . . . . . . . . . 6
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

INDEX
Spark Arrester Service . . . . . . . . . . . . . . . . . . . . . . . 22
Spark Plug Service . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Starting Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Starting/Stopping the Engine. . . . . . . . . . . . . . . . . . . 13
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

T
Taking Care of Unexpected Problems . . . . . . . . . . . 32
Throttle Lever
Cable Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 23
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8,14
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Transport Wheels . . . . . . . . . . . . . . . . . . . . . . . . . 9,12
Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

U
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

W
Warranty
Accessories, Replacement Parts, and Apparel. . 40
Distributors Limited . . . . . . . . . . . . . . . . . . . . . . . 39
Emission Control System . . . . . . . . . . . . . . . . . . 41

QUICK REFERENCE
Fuel

Type

Unleaded gasoline with a pump octane rating of
86 or higher

See page 24.

Engine oil

Type

SAE 10W-30, API SJ or later

See page 19.

Transmission lubricant

Type

Grease (NLGI #2)

See page 26.

Spark plug

Regular

NGK CM5H

See page 21.

Resistor*

NGK CMR5H

Before each use

Check engine oil level.
Check air filter for condition.
Check throttle cable operation.
Check cooling air fins for obstructions.
Check nuts and bolts for security.

See page 18.
See page 19.
See page 23.
See page 23.

First month or 10 hours.

Change engine oil.

See page 18.

Subsequent

Refer to the Maintenance Schedule.

See page 17.

Maintenance

* Resistor plugs reduce the interference with radio and television reception.

OWNER'S MANUAL
Mini-Tiller
FG110

See page 27 for instructions on
assembling your FG110 Mini-Tiller.

EM4
31V25010
00X31-V25-0020

Printed on
Recycled Paper

POM53749-B
IPC 40000.2006.01
PRINTED IN U.S.A.

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