Hubbell GX25 Le manuel du propriétaire

Marque: Hubbell

Modèle: GX25

Taper: Le manuel du propriétaire

Ce manuel convient également à

ENGLISH A-1

ENGLISHFRANÇAISESPAÑOL

GX25NT · GX35NT · GX50NT

GX25T · GX35T · GX50T

37Z3V600

00X37-Z3V-6000

OWNER’S MANUAL

GX25 • GX35 • GX50

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

The illustrations in this manual are based on the GX50.

• The illustrations may vary according to the type.

SAFETY LABEL LOCATION / COMPONENT & CONTROL LOCATION

WARNING LABEL For EU Except EU

attached to

product

supplied with

product

supplied with

product

attached to

product

supplied with

product

supplied with

product

This label warns you of potential hazards that can cause

serious injury. Read it carefully.

If the label comes off or becomes hard to read, contact

your servicing dealer for replacement.

Gasoline is highly flammable and explosive.

Stop the engine and let cool before

refueling.

The engine emits toxic poisonous

carbon monoxide gas. Do not run in

an enclosed area.

Read Owner’s Manual before

operation.

OIL FILLER CAP/

DIPSTICK

WARNING LABEL

AIR CLEANER

PRIMING PUMP

FUEL FILLER CAP

SPARK PLUG

(inside the top cover)

TOP COVER

MUFFLER

(inside the top cover)

STARTER GRIP

OIL FILLER CAP/

DIPSTICK

RECOIL STARTER

FUEL TANK

TANK GUARD

(applicable type)

ENGINE CONTROLS

CHOKE LEVER

THROTTLE LEVER

GX25/GX35: applicable types

THROTTLE LEVER

ENGINE SWITCH

37Z3V6000.book Page 1 Friday, June 8, 2018 10:35 AM

A-2

Figure/Figura 1

[1]

[B]

[A]

[2]

[A]

[B]

[A]

[B]

[3]

[4]

[5]

[6]

[7]

[A]

[B]

[A]

[B]

[A]

[B]

[A]

[B]

Figure/Figura 2

[1]

MAXIMUM FUEL LEVEL

NIVEAU DE CARBURANT MAXIMUM

NIVEL MÁXIMO DE COMBUSTIBLE

Figure/Figura 3

AMBIENT TEMPERATURE

TEMPERATURE AMBIANTE

TEMPERATURA AMBIENTE

Figure/Figura 4

UPPER LIMIT

LIMITE SUPERIEURE

LÍMITE SUPERIOR

LOWER LIMIT

LIMITE INFERIEURE

LÍMITE INFERIOR

[2]

[1]

Figure/Figura 5

[2]

[1]

Figure/Figura 6

GX25

GX35

[3]

[2]

[1]

[3]

[2]

[1]

37Z3V6000.book Page 2 Friday, June 8, 2018 10:35 AM

A-3

Figure/Figura 8

[2]

[1]

[3]

Figure/Figura 9

Figure/Figura 7

Clean

Nettoyer

Limpiar

Squeeze and Dry

Presser et sécher

Escurrir y secar

Dip in Oil

Tremper dans l'huile

Sumergir en aceite

Squeeze

Presser

Escurrir

Do not twist.

Ne pas tordre.

No retorcer.

Do not twist.

Ne pas tordre.

No retorcer.

Figure/Figura 10

[2]

[1]

[4]

[3]

[5]

0.6–0.7 mm

(0.024–0.028 in)

Figure/Figura 11

[1]

Figure/Figura 12

[2]

[1]

[3]

Figure/Figura 13

[5]

[3]

[2]

[4]

[1]

Figure/Figura 14

[6]

[4]

[2]

[5]

[1]

[3]

37Z3V6000.book Page 3 Friday, June 8, 2018 10:35 AM

A-4

Figure/Figura 15

[1]

[3]

[2]

[1]

[3]

[2]

Figure/Figura 16

GX25

GX35

[1]

Figure/Figura 17

GX25

[1]

Figure/Figura 18

[2]

[1]

[3]

Figure/Figura 19

[1]

[2]

Figure/Figura 20

[1]

STAY

ETAI

SOPORTE

THROTTLE CABLE

CABLE DES GAZ

CABLE DEL ACELERADOR

ADJUST NUT

REGLER L'ECROU

TUERCA DE AJUSTE

LOCK NUT

CONTRE-ECROU

CONTRATUERCA

Figure/Figura 21

SPARK PLUG

BOUGIE

BUJÍA

IGNITION COIL

BOBINE D'ALLUMAGE

BOBINA DE ENCENDIDO

Engine switch on the

equipment powered

by the engine.

Contacteur moteur

sur l'équipement qui

fonctionne avec le

moteur.

El interruptor del

motor está montado

en el equipo accionado

con este motor.

Bl Black

Noir

Negro

Figure/Figura 22

SPARK PLUG

BOUGIE

BUJÍA

IGNITION COIL

BOBINE D'ALLUMAGE

BOBINA DE ENCENDIDO

Bl Black

Noir

Negro

ENGINE SWITCH

CONTACTEUR MOTEUR

INTERRUPTOR DEL MOTOR

37Z3V6000.book Page 4 Friday, June 8, 2018 10:35 AM

ENGLISH 1

ENGLISH

INTRODUCTION

Thank you for purchasing a Honda engine. We want to help you

to get the best results from your new engine and to operate it

safely. This manual contains information on how to do that;

please read it carefully before operating the engine. If a problem

should arise, or if you have any questions about your engine,

consult your servicing dealer.

All information in this publication is based on the latest product

information available at the time of printing. Honda Motor Co.,

Ltd. reserves the right to make changes at any time without

notice and without incurring any obligation. No part of this

publication may be reproduced without written permission.

This manual should be considered a permanent part of the

engine and should remain with the engine if resold.

Review the instructions provided with the equipment powered

by this engine for any additional information regarding engine

startup, shutdown, operation, adjustments or any special

maintenance instructions.

United States, Puerto Rico, and U.S. Virgin Islands:

We suggest you read the warranty policy to fully understand its

coverage and your responsibilities of ownership. The warranty

policy is a separate document that should have been given to

you by your dealer.

CONTENTS

SAFETY LABEL LOCATION /

COMPONENT & CONTROL

LOCATION........................... A-1

INTRODUCTION...................... 1

SAFETY MESSAGES .............. 1

SAFETY INFORMATION......... 1

FEATURES............................... 1

BEFORE OPERATION

CHECKS ................................... 2

OPERATION............................. 2

SAFE OPERATING

PRECAUTIONS .................... 2

STARTING THE ENGINE..... 2

SETTING ENGINE SPEED ... 3

STOPPING THE ENGINE..... 3

SERVICING YOUR ENGINE.... 3

THE IMPORTANCE OF

MAINTENANCE ................... 3

MAINTENANCE SAFETY .... 3

SAFETY PRECAUTIONS...... 3

MAINTENANCE

SCHEDULE........................... 4

REFUELING.......................... 4

ENGINE OIL.......................... 5

Recommended Oil ........... 5

Oil Level Check................. 5

Oil Change........................ 5

AIR CLEANER....................... 5

Inspection ......................... 5

Cleaning............................ 5

SPARK PLUG ....................... 6

COOLING FINS .................... 6

FUEL FILTER AND FUEL

TANK .................................... 7

SPARK ARRESTER .............. 7

HOT AIR TUBE REMOVAL/

INSTALLATION.................... 8

HELPFUL TIPS &

SUGGESTIONS....................... 8

STORING YOUR ENGINE ... 8

TRANSPORTING ................. 9

TAKING CARE OF

UNEXPECTED PROBLEMS .... 9

TECHNICAL & CONSUMER

INFORMATION...................... 10

Serial Number Location.... 10

Remote Control Linkage... 10

Carburetor Modifications for

High Altitude Operation ...... 10

Emission Control System

Information........................ 10

Air Index............................. 11

Specifications .................... 12

Tuneup Specifications ...... 12

Quick Reference

Information........................ 12

Wiring Diagrams ............... 12

CONSUMER INFORMATION

.... 13

Warranty and Distributor/

Dealer Locator

Information........................ 13

Customer Service

Information........................ 13

SAFETY MESSAGES

Your safety and the safety of others are very important. We have

provided important safety messages in this manual and on the

engine. Please read these messages carefully.

A safety message alerts you to potential hazards that could hurt

you or others. Each safety message is preceded by a safety alert

symbol and one of three words, DANGER, WARNING, or

CAUTION.

Each message tells you what the hazard is, what can happen,

and what you can do to avoid or reduce injury.

DAMAGE PREVENTION MESSAGES

You will also see other important messages that are preceded

by the word NOTICE.

The purpose of these messages is to help prevent damage to

your engine, other property, or the environment.

SAFETY INFORMATION

• Understand the operation of all controls and learn how to stop

the engine quickly in case of emergency. Make sure the

operator receives adequate instruction before operating the

equipment.

• Do not allow children to operate the engine. Keep children

and pets away from the area of operation.

• Your engine’s exhaust contains poisonous carbon monoxide.

Do not run the engine without adequate ventilation, and never

run the engine indoors.

• The engine and exhaust become very hot during operation.

Keep the engine at least 1 meter (3 feet) away from buildings

and other equipment during operation. Keep flammable

materials away, and do not place anything on the engine

while it is running.

FEATURES

Centrifugal Clutch

The centrifugal clutch automatically engages and transmits

power when engine speed is increased above approximately

GX25/GX35: 4,200 min

-1

(rpm), GX50: 4,400 min

-1

(rpm).

At idle speed, the clutch is disengaged.

Do not run the engine without mounting it on equipment that

includes the centrifugal clutch drum and housing, or centrifugal

force will cause the clutch shoes to contact and damage the

engine case.

These signal words mean:

You WILL be KILLED or SERIOUSLY

HURT if you don’t follow

instructions.

You CAN be KILLED or SERIOUSLY

HURT if you don’t follow

instructions.

You CAN be HURT if you don’t

follow instructions.

This word means:

Your engine or other property can be damaged if

you don’t follow instructions.

37Z3V6000.book Page 1 Friday, June 8, 2018 10:35 AM

2 ENGLISH

BEFORE OPERATION CHECKS

IS YOUR ENGINE READY TO GO?

For your safety, to ensure compliance with environmental

regulations, and to maximize the service life of your equipment,

it is very important to take a few moments before you operate

the engine 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 engine.

Before beginning your pre-operation checks, be sure the engine

is level and the engine switch is in the OFF position.

Always check the following items before you start the engine:

Check the General Condition of the Engine

1. Before each use, look around and underneath the engine for

signs of oil or gasoline leaks.

2. Remove any excessive dirt or debris, especially around the

muffler and recoil starter.

3. Look for signs of damage.

4. Check that all shields and covers are in place, and all nuts,

bolts, and screws are tightened.

Check the Engine

1. Check the fuel level (see page 4). Starting with a full tank will

help to eliminate or reduce operating interruptions for

refueling.

2. Check the engine oil level (see page 5). Running the engine

with a low oil level can cause engine damage.

3. Check the air filter element (see page 5). A dirty air filter

element will restrict air flow to the carburetor, reducing

engine performance.

4. Check the equipment powered by this engine.

Review the instructions provided with the equipment

that should be followed before engine startup.

Failure to properly maintain this engine, or failing to

correct a problem before operation, could result in a

significant malfunction.

Some malfunctions can cause serious injuries or

death.

Always perform a pre-operation inspection before

each operation and correct any problems.

OPERATION

SAFE OPERATING PRECAUTIONS

Before operating the engine for the first time, please review the

SAFETY INFORMATION

section on page 1 and the

BEFORE

OPERATION CHECKS

Carbon Monoxide Hazards

For your safety, do not operate the engine in an enclosed area

such as a garage. Your engine’s exhaust contains poisonous

carbon monoxide gas that can collect rapidly in an enclosed

area and cause illness or death.

Review the instructions provided with the equipment powered

by this engine for any safety precautions that should be

observed with engine startup, shutdown, or operation.

STARTING THE ENGINE

See Figure 1, page A-2.

Refer to the instructions provided with the equipment for

throttle lever and engine switch.

1. To start a cold engine, move the choke lever [1] to the

CLOSED [A] position.

To restart a warm engine, leave the choke lever in the OPEN

[B] position.

2. Press the priming pump [2] several times until the priming

pump is filled with fuel.

Even if the priming pump is pressed too many times, the

extra fuel will return to the fuel tank.

If the priming pump is not pressed enough, the engine may

not start.

3. Turn the engine switch [3] to the ON ( ) [A] position.

4. Pull the starter grip [4] lightly until you feel resistance, then

pull briskly in the direction of the arrow [5]. Return the starter

grip gently.

Do not allow the starter grip to snap back against the engine.

Return it gently to prevent damage to the starter.

5. If the choke lever was moved to the CLOSED [A] position to

start the engine, gradually move it to the OPEN [B] position

as the engine warms up.

Exhaust contains poisonous carbon monoxide gas

that can build up to dangerous levels in closed areas.

Breathing carbon monoxide can cause

unconsciousness or death.

Never run the engine in a closed or even partially

closed area.

37Z3V6000.book Page 2 Friday, June 8, 2018 10:35 AM

ENGLISH 3

Hot Restart

If the engine is operated at higher ambient temperatures, then

turned off and allowed to sit for a short time, it may not restart

on the first pull.

If necessary, use the following procedure:

IMPORTANT SAFETY PRECAUTION

Turn the engine switch to the OFF position before performing

the following procedure. This will prevent the engine from

starting and running at maximum speed when the throttle is in

the MAX. speed position. If the engine starts with the throttle in

the MAX. speed position, the equipment can move forward

rapidly or the trimmer attachment can spin at maximum speed.

This may result in personal injury.

1. Turn the engine switch to the OFF ( ) [B] position.

2. Move the choke lever to the OPEN position.

3. Hold the throttle lever [6] on the equipment in the MAX. [B]

position.

4. Pull the starter grip 3 to 5 times.

Follow the STARTING THE ENGINE procedure on page 2 and

start the engine with the choke lever in the OPEN position.

SETTING ENGINE SPEED

Position the throttle lever for the desired engine speed.

For engine speed recommendations, refer to the instructions

provided with the equipment powered by this engine.

STOPPING THE ENGINE

To stop the engine in an emergency, simply turn the engine

switch to the OFF ( ) position. Under normal conditions, use

the following procedure.

1. Move the throttle lever to the MIN. ( ) [A] position.

2. Turn the engine switch to the OFF ( ) position.

SERVICING YOUR ENGINE

THE IMPORTANCE OF MAINTENANCE

Good maintenance is essential for safe, economical and

trouble-free operation. It will also help reduce pollution.

To help you properly care for your engine, 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 engine under severe conditions, such as

sustained high-load or high-temperature operation, or use in

unusually wet or dusty conditions, consult your Honda servicing

dealer for recommendations applicable to your individual needs

and use.

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.

SAFETY PRECAUTIONS

• Make sure the engine is off before you begin any maintenance

or repairs. To prevent unintentional startup, disconnect the

spark plug cap. This will eliminate several potential hazards:

– Carbon monoxide poisoning from engine exhaust.

Operate outside, away from open windows or doors.

– 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.

Failure to properly maintain this engine, or failing to

correct a problem before operation, could result in a

significant malfunction.

Some malfunctions can cause serious injuries or

death.

Always follow the inspection and maintenance

recommendations and schedules in this owner’s

manual.

Improper maintenance can cause an unsafe

condition.

Failure to properly follow maintenance instructions

and precautions can cause serious injuries or death.

Always follow the procedures and precautions in this

owner’s manual.

37Z3V6000.book Page 3 Friday, June 8, 2018 10:35 AM

4 ENGLISH

• 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 non-flammable solvent,

not gasoline, to clean parts. Keep cigarettes, sparks and

flames away from all fuel related parts.

Remember that an authorized Honda servicing dealer knows

your engine best and is fully equipped to maintain and repair it.

To ensure the best quality and reliability, use only new Honda

Genuine parts or their equivalents for repair and replacement.

MAINTENANCE SCHEDULE

(1) To reduce the service period when used in bad conditions

such as 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) For commercial use, log hours of operation to determine

proper maintenance intervals.

(4) Check that there is no crack and abnormal wear-out in the

belt, and replace if it is abnormal.

(5) Replace paper air filter element type (GX35, GX50) only.

(6) To clean or replace when it looks so dirty.

Failure to follow this maintenance schedule could result in

non-warrantable failures.

REGULAR SERVICE PERIOD (3)

Perform at every

indicated month or

operating hour interval,

whichever comes first.

ITEM

Before

each

use

First

month

10 hrs.

Every 3

months

25 hrs.

Every 6

months

50 hrs.

Every

year

100 hrs.

Every 2

years

300 hrs.

Refer

Page

Engine oil Check level o (6) 5

Change o o

Air cleaner Check o (6) 5

Clean o (1)

Replace o (5)

Spark plug Check-

adjust

Replace o

Timing belt Check After every 300 hrs. (2) (4) Shop

manual

Spark arrester

(Applicable types)

Clean o 7

Exhaust filter

(Applicable types)

Clean o 7

Engine cooling

fins

Check-clean o 6

Nuts, bolts,

fasteners

Check o 2

(Retighten if necessary)

Clutch shoes Check o (2) Shop

manual

Idle speed Check-

adjust

o (2) Shop

manual

Valve clearance Check-

adjust

o (2) Shop

manual

Combustion

chamber

Clean After every 300 Hrs. (2) Shop

manual

Fuel filter and

Fuel tank

Clean o 7

Fuel tubes Check Every 2 years

(Replace if necessary) (2)

Shop

manual

Oil tube Check Every 2 years

(Replace if necessary) (2)

Shop

manual

REFUELING

See Figure 2, page A-2.

Recommended Fuel

Fuel specification(s) necessary to maintain the performance of

the emissions control system: E10 fuel referenced in EU

regulation.

This engine is certified to operate on unleaded gasoline with a

pump octane rating of 86 or higher (a research octane rating of

91 or higher).

Refuel in a well ventilated area with the engine stopped. If the

engine has been running, allow it to cool first. Never refuel the

engine inside a building where gasoline fumes may reach

flames or sparks.

You may use unleaded gasoline containing no more than 10%

ethanol (E10) or 5% methanol by volume. In addition, methanol

must contain cosolvents and corrosion inhibitors. Use of fuels

with content of ethanol or methanol greater than shown above

may cause starting and/or performance problems. It may also

damage metal, rubber, and plastic parts of the fuel system.

Engine damage or performance problems that result from using

a fuel with percentages of ethanol or methanol greater than

shown above are not covered under the Warranty.

If your equipment will be used on an infrequent or intermittent

basis, please refer to the "Fuel" section of the "STORING YOUR

ENGINE" chapter (see page 8) for additional information

regarding fuel deterioration.

Never use gasoline that is stale, contaminated, or mixed with

oil.

Avoid getting dirt or water in the fuel tank.

Fuel level check

Fuel can damage paint and some types of 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.

1. Check the fuel level visually from the outside of the fuel tank

while keeping the fuel filler neck upright.

2. 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.

Remove the fuel filler cap [1], and fill the tank with gasoline to

the bottom of the filler neck. Refuel carefully to avoid spilling

fuel. Do not overfill. There should be no fuel in the filler neck.

After refueling, tighten the fuel filler cap securely.

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.

Unleaded gasoline

U.S. Pump octane rating 86 or higher

Except U.S. Research octane rating 91 or higher

Pump octane rating 86 or higher

Gasoline is highly flammable and explosive.

You can be burned or seriously injured when

handling fuel.

• Stop the engine and let it cool before handling fuel.

• Keep heat, sparks, and flame away.

• Handle fuel only outdoors.

• Keep away from your vehicle.

• Wipe up spills immediately.

37Z3V6000.book Page 4 Friday, June 8, 2018 10:35 AM

ENGLISH 5

ENGINE OIL

Oil is a major factor affecting performance and service life.

Use 4-stroke automotive detergent oil.

Recommended Oil

See Figure 3, page A-2.

Use 4-stroke motor oil that meets or exceeds the requirements

for API service classification SJ or later (or equivalent). Always

check the API service label on the oil container to be sure it

includes the letters SJ or later (or equivalent).

Lubrication oil specifications necessary to maintain the

performance of the emissions control system: Honda genuine

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 indicated range.

Oil Level Check

See Figure 4, page A-2.

Check the engine oil level before each use, or every 10 hours if

operated continuously.

Check the engine oil level with the engine stopped and in a level

position.

1. Remove the oil filler cap/dipstick [1] and wipe it clean.

2. Insert and remove the oil filler cap/dipstick without screwing

it into the oil filler neck, then remove it to check the oil level

shown on the dipstick.

3. If the oil level is near or below the lower limit mark on the

dipstick, fill to the bottom edge of the oil fill hole [2] with the

recommended oil. To avoid overfilling or underfilling, be

sure the engine is in a level position, as shown, while adding

oil.

4. Reinstall the oil filler cap/dipstick and tighten securely.

Running the engine with a low oil level can cause engine

damage. This type of damage is not covered by the Distributor’s

Limited Warranty.

Oil Change

See Figure 5, page A-2.

Drain the used oil when the engine is warm. Warm oil drains

quickly and completely.

1. Check that the fuel filler cap [1] is tightened securely.

2. Place a suitable container below the engine to catch the used

oil.

3. Remove the oil filler cap/dipstick and drain the oil into the

container by tipping the engine toward the oil filler neck [2].

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 pour it down a drain.

4. With the engine in a level position, fill to the bottom edge of

the oil fill hole with the recommended oil.

Some oil will remain in the engine after draining. When

refilling with fresh oil, start with less than engine oil capacity.

Slowly add enough oil to fill to the bottom edge of the oil fill

hole.

Engine oil capacity: GX25: 0.08 L (2 US oz, 0.07 lmp qt)

GX35: 0.10 L (3 US oz, 0.09 lmp qt)

GX50: 0.13 L (4 US oz, 0.11 lmp qt)

Running the engine with a low or excessive oil level can

cause engine damage. This type of damage is not covered by

the Distributor’s Limited Warranty.

5. Reinstall the oil filler cap/dipstick securely.

If any oil is spilled, make sure to wipe it up.

AIR CLEANER

A dirty air cleaner will restrict air flow to the carburetor,

reducing engine performance. If you operate the engine in very

dusty areas, clean the air filter element more often than

specified in the MAINTENANCE SCHEDULE (see page 4).

Operating the engine without an air filter element, or with a

damaged air filter element, will allow dirt to enter the engine,

causing rapid engine wear. This type of damage is not covered

by the Distributor’s Limited Warranty.

Inspection (foam air filter element type)

See Figure 6, page A-2.

Press the latch tab [1] on the top of the air cleaner cover, and

remove the cover [2]. Inspect the air filter element [3]. Clean or

replace dirty air filter element. Always replace damaged air filter

element.

Reinstall the air filter element and air cleaner cover securely.

Refer to the cleaning instruction for air cleaner and filter as

following.

Cleaning (foam air filter element type)

See Figures 7, page A-3.

1. Clean the filter element in warm soapy water, rinse, and

allow to dry thoroughly. Or clean in non-flammable solvent

and allow to dry.

2. Dip the filter element in clean engine oil, then squeeze out all

excess oil. The engine will smoke when started if too much

oil is left in the element.

3. Wipe dirt from the air cleaner body and cover, using a moist

rag. Be careful to prevent dirt from entering the carburetor.

4. Reinstall the filter element and air cleaner cover securely.

37Z3V6000.book Page 5 Friday, June 8, 2018 10:35 AM

6 ENGLISH

Inspection (paper air filter element type)

See Figures 8, page A-3.

Loosen the screw [1] and remove the air cleaner cover [2].

Inspect the air filter element [3]. Clean or replace dirty air filter

element. Always replace damaged air filter element.

Reinstall the air filter element and air cleaner cover and tighten

the screw securely.

Refer to the cleaning instruction as following.

Cleaning (paper air filter element type)

See Figure 9, page A-3.

1. Loosen the screw [1] and remove the air cleaner cover [2].

2. Remove the paper air filter element [3] from the air cleaner

body.

3. Inspect the air filter element, and replace it if it is damaged.

Always replace the paper air filter element at the scheduled

interval (see page 4).

4. Clean the air filter element if it is to be reused.

Tap the paper air filter element several times on a hard

surface to remove dirt, or blow compressed air [not

exceeding 200 kPa (2.0 kgf/cm

, 29 psi)] through the filter

element from the air cleaner body side. Never try to brush off

dirt; brushing will force dirt into the fibers. Replace the paper

air filter element if it is excessively dirty.

5. Wipe dirt from the inside of the air cleaner body and cover

using a moist rag. Be careful to prevent dirt from entering

the air duct that leads to the carburetor.

6. Reinstall the paper air filter element to the air cleaner body.

7. Install the air cleaner cover, and tighten the screw securely.

SPARK PLUG

See Figure 10, page A-3.

Recommended Spark Plug: CM5H (NGK), CMR5H (NGK)

The recommended spark plug has the correct heat range for

normal engine operating temperatures.

An incorrect spark plug can cause engine damage.

For good performance, the spark plug must be properly gapped

and free of deposits.

1. Loosen the hex bolt [1] with a hexagon wrench, then remove

the top cover [2].

Do not operate the engine when the top cover is

removed.

Do not pull the recoil starter handle when the top

cover is removed.

You may be injured from the rotating parts or burned

by the muffler.

2. Disconnect the spark plug cap [3], and remove any dirt from

around the spark plug area.

3. Remove the spark plug [4] with a 5/8-inch spark plug wrench.

4. Inspect the spark plug. Replace it if damaged or badly fouled,

if the sealing washer [5] is in poor condition, or if the

electrode is worn.

5. Measure the spark plug electrode gap with a wire-type feeler

gauge. Correct the gap, if necessary, by carefully bending

the side electrode.

The gap should be: 0.6–0.7 mm (0.024–0.028 in)

6. Install the spark plug carefully, by hand, to avoid

cross-threading.

7. After the spark plug is seated, tighten with a 5/8-inch spark

plug wrench to compress the sealing washer.

When installing a new spark plug, tighten 1/2 turn after the

spark plug seats to compress the washer.

When reinstalling the original spark plug, tighten 1/8–1/4 turn

after the spark plug seats to compress the washer.

TORQUE: 11.8 N·m (9 lbf·ft, 1.2 kgf·m)

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 to the spark plug.

9. Install the top cover, and tighten the hex bolt securely with a

hexagon wrench.

COOLING FINS

See Figure 11, page A-3.

Inspection and clean

1. Loosen the hex bolt, then remove the top cover.

2. Disconnect the spark plug cap (see page 6).

3. Inspect the engine cooling fins [1], and clean out debris if

necessary.

4. Reconnect the spark plug cap.

5. Install the top cover, and tighten the hex bolt securely.

37Z3V6000.book Page 6 Friday, June 8, 2018 10:35 AM

ENGLISH 7

FUEL FILTER AND FUEL TANK

Fuel filter inspection and Fuel tank cleaning

See Figure 12, page A-3.

1. Check that the engine oil filler cap / dipstick [1] is tightened

securely.

2. Remove the fuel filler cap, and drain the fuel into an

approved gasoline container by tipping the engine toward

the fuel filler neck [2].

3. Pull the fuel filter [3] out through the fuel filler neck by

hooking the black fuel tube with a piece of wire, such as a

partly straightened paper clip.

4. Inspect the fuel filter. If the fuel filter is dirty, wash it gently

with non-flammable or high flash point solvent. If the fuel

filter is excessively dirty, replace it.

5. Remove water and dirt from the fuel tank by rinsing the

inside of the fuel tank with non-flammable or high flash point

solvent.

6. Insert the fuel filter into the fuel tank and tighten the fuel filler

cap securely.

SPARK ARRESTER (applicable types)

The spark arrester may be standard or an optional part,

depending on the engine type. In some areas, it is illegal to

operate an engine without a spark arrester. Check local laws and

regulations. A spark arrester is available from authorized Honda

servicing dealers.

The spark arrester must be serviced every 100 hours to keep it

functioning as designed.

If the engine has been running, the muffler will be hot. Allow it

to cool before servicing the spark arrester.

Gasoline is highly flammable and explosive.

You can be burned or seriously injured when

handling fuel.

• Stop the engine and let it cool before handling fuel.

• Keep heat, sparks, and flame away.

• Handle fuel only outdoors.

• Keep away from your vehicle.

• Wipe up spills immediately.

GX25

See Figure 13, page A-3.

Spark Arrester Removal

1. Loosen the hex bolt, then remove the top cover (see page 6).

2. Remove the screws [1] from the spark arrester [2], and

remove the spark arrester from the muffler [3].

Spark Arrester Cleaning & Inspection

1. Use a brush to remove carbon deposits from the spark

arrester screen [4]. 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.

2. Install the spark arrester in the reverse order of disassembly.

When you install the spark arrester, the spark arrester’s

outlet must point to the side opposite the spark plug [5].

3. Install the top cover, and tighten the hex bolt securely (see

page 6).

GX35, GX50

See Figure 14, page A-3.

Spark Arrester Removal

1. Loosen the hex bolt, then remove the top cover (see page 6).

2. Remove the self-tapping screws [1] from the spark arrester

[2], and remove the spark arrester and exhaust filter [3] from

the muffler [4].

Exhaust Filter Cleaning & Inspection

Pinch the exhaust filter, and strike it lightly with a finger, to

remove carbon deposits. Be careful not to strike it too hard. The

exhaust filter must be free of breaks and holes. If it is damaged

or fouled excessively, have it serviced by your dealer.

Spark Arrester Cleaning & Inspection

1. Use a brush to remove carbon deposits from the spark

arrester screen [5]. 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.

2. Install the exhaust filter and spark arrester in the reverse

order of disassembly.

When you install the spark arrester, the spark arrester’s

outlet must point to the side opposite the spark plug [6].

3. Install the top cover, and tighten the hex bolt securely.

37Z3V6000.book Page 7 Friday, June 8, 2018 10:35 AM

8 ENGLISH

HOT AIR TUBE REMOVAL/INSTALLATION

(applicable types)

•

Normally use the engine with the hot air tube installed, or it

can cause icing.

•

When the ambient temperature is high (86°F/30°C or above),

be sure to remove the hot air tube in the following procedure

before operating the engine.

Operating the engine with the hot air tube installed can cause

overheat of the engine.

•

Release the hot air tube from the tube clip and disconnect it

from the hot air duct before removing the top cover for

maintenance, etc. After installing the top cover, be sure to

reinstall the hot air tube securely in the original position.

1. Remove the air cleaner cover (see page 5).

2. See Figure 15, page A-4.

Release the hot air tube [1] from the clip [2] at the engine

cover and pull the hot air tube out of the hot air duct [3] on

the engine cover.

3. See Figure 16, page A-4.

Remove the hot air joint [1] from the air cleaner case.

GX25: Push the lug in and push it deep inside to remove the

hot air joint [1] from the air cleaner case.

GX35: Remove the hot air joint from the air cleaner case

toward you.

4. Remove the hot air tube with the joint set on the tube.

Store the removed parts in an appropriate place carefully.

Tak e care not to lose them.

5. See Figure 17, page A-4.

Install the hot air tube and hot air joint [1] in the reverse

order of removal.

(GX25 only) Install the hot air joint on the air cleaner case in

the position shown.

HELPFUL TIPS & SUGGESTIONS

STORING YOUR ENGINE

Storage Preparation

Proper storage preparation is essential for keeping your engine

trouble-free and looking good. The following steps will help to

keep rust and corrosion from impairing your engine’s function

and appearance, and will make the engine easier to start when

you use it again.

Cleaning

If the engine has been running, allow it to cool for at least half

an hour before cleaning. Clean all exterior surfaces, touch up

any damaged paint, and coat other areas that may rust with a

light film of oil.

Using a garden hose or pressure washing equipment can force

water into the air cleaner or muffler opening. Water in the air

cleaner will soak the air filter, and water that passes through the

air filter or muffler can enter the cylinder, causing damage.

Fuel

Depending on the region where you operate your equipment, fuel

formulations may deteriorate and oxidize rapidly. Fuel

deterioration and oxidation can occur in as little as 30 days and

may cause damage to the carburetor and/or fuel system. Please

check with your servicing dealer for local storage

recommendations.

Gasoline will oxidize and deteriorate in storage. Deteriorated

gasoline will cause hard starting, and it leaves gum deposits

that clog the fuel system. If the gasoline in your engine

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, your 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.

Fuel system damage or engine performance problems resulting

from neglected storage preparation are not covered under the

Distributor’s Limited Warranty.

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 a Gasoline Stabilizer to Extend Fuel Storage Life

When adding a gasoline 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.

1. Add gasoline stabilizer following the manufacturer’s

instructions.

2. After adding a gasoline stabilizer, run the engine outdoors

for 10 minutes to be sure that treated gasoline has replaced

the untreated gasoline in the carburetor.

3. Stop the engine.

37Z3V6000.book Page 8 Friday, June 8, 2018 10:35 AM

ENGLISH 9

Draining the Fuel Tank and Carburetor

See Figure 18, page A-4.

1. Make sure the engine oil filler cap / dipstick [1] is tightened

securely.

2. Remove the fuel filler cap and drain the fuel into an approved

gasoline container by tipping the engine toward the fuel filler

neck [2].

3. Press the priming pump [3] several times until all fuel has

returned to the fuel tank.

4. Tip the engine toward the fuel filler neck again to drain the

fuel.

5. After all fuel has drained, reinstall the fuel filler cap securely.

Engine Oil

See Figure 5, page A-2.

See Figure 10, page A-3.

1. Change the engine oil (see page 5).

2. Loosen the hex bolt, then remove the top cover.

3. Remove the spark plug (see page 6).

4. Apply a couple of drops of clean engine oil into the cylinder.

5. Install the top cover temporarily.

6. Pull the starter grip several times to distribute the oil in the

cylinder.

7. Remove the top cover, then reinstall the spark plug.

8. Install the top cover, and tighten the hex bolt securely.

9. Pull the starter grip slowly until resistance is felt.

Gasoline is highly flammable and explosive.

You can be burned or seriously injured when

handling fuel.

• Stop the engine and let it cool before handling fuel.

• Keep heat, sparks, and flame away.

• Handle fuel only outdoors.

• Keep away from your vehicle.

• Wipe up spills immediately.

Storage Precautions

If your engine 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.

Keep the engine level in storage. Tilting can cause fuel or oil

leakage.

With the engine and exhaust system cool, cover the engine to

keep out dust. A hot engine and exhaust system can ignite or

melt some materials. Do not use a plastic sheet as a dust cover.

A nonporous cover will trap moisture around the engine,

promoting rust and corrosion.

Removal from Storage

Check your engine as described in the

BEFORE OPERATION

CHECKS

section of this manual (see page 2).

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 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

If the engine has been running, allow it to cool for at least 15

minutes before loading the engine-powered equipment on the

transport vehicle. A hot engine and exhaust system can burn

you and can ignite some materials.

TAKING CARE OF UNEXPECTED PROBLEMS

ENGINE WILL NOT START

ENGINE LACKS POWER

Possible Cause Correction

Choke open.

Move lever to CLOSED position

unless the engine is warm.

Engine switch OFF. (on the

equipment)

Turn engine switch to ON

position.

Out of fuel. Refuel (p. 4).

Bad fuel; engine stored without

treating or draining gasoline, or

refueled with bad gasoline.

Drain fuel tank and carburetor

(p. 9). Refuel with fresh

gasoline (p. 4).

Spark plug faulty, fouled, or

improperly gapped.

Gap or replace spark plug

(p. 6).

Spark plug wet with fuel

(flooded engine).

Allow the spark plug to dry.

After drying, install the spark

plug and start the engine (p. 2).

Fuel filter restricted, carburetor

malfunction, ignition

malfunction, valves stuck, etc.

Take engine to your servicing

dealer, or refer to shop

manual.

Possible Cause Correction

Filter element restricted. Clean or replace filter element

(p. 5).

Bad fuel; engine stored without

treating or draining gasoline, or

refueled with bad gasoline.

Drain fuel tank and carburetor

(p. 9). Refuel with fresh

gasoline (p. 4).

Fuel filter restricted, carburetor

malfunction, ignition

malfunction, valves stuck, etc.

Take engine to your servicing

dealer, or refer to shop

manual.

37Z3V6000.book Page 9 Friday, June 8, 2018 10:35 AM

10 ENGLISH

TECHNICAL & CONSUMER INFORMATION

TECHNICAL INFORMATION

Serial Number Location

See Figure 19, page A-4.

Record the engine serial number [1], type [2] and purchase date

in the spaces below. You will need this information when

ordering parts and when making technical or warranty inquiries.

Engine serial number: __ __ __ __ — __ __ __ __ __ __ __

Engine type: ___ ___ ___ ___

Date Purchased: ______ / ______ / ______

Remote Control Linkage

See Figure 20, page A-4.

The throttle control lever is provided with a fitting for cable

attachment [1].

Remove the air cleaner cover (see page 5) for access to the

throttle lever and cable fitting.

Attach the throttle cable as shown in the illustration.

To adjust the throttle cable, follow the equipment

manufacturer’s instructions.

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

engine at altitudes above 1,500 meters (5,000 feet), have your

servicing dealer perform this carburetor modification. This

engine, when operated at high altitude with the 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 300 meter (1,000 feet) increase in

altitude. The effect of altitude on horsepower will be greater

than this if no carburetor modification is made.

When the carburetor has been modified for high altitude

operation, the air-fuel mixture will be too lean for low altitude

use. Operation at altitudes below 1,500 meters (5,000 feet) with

a modified carburetor may cause the engine to overheat and

result in serious engine damage. For use at low altitudes, have

your servicing dealer return the carburetor to original factory

specifications.

Emission Control System Information

Emission Control System Warranty

Your new Honda complies with both the U.S. EPA and State of

California emission regulations. American Honda provides the

same emission warranty coverage for Honda Power Equipment

engines sold in all 50 states. In all areas of the United States,

your Honda Power Equipment engine is designed, built, and

equipped to meet the U.S. EPA and California Air Resources

Board emission standard for spark ignited engines.

Warranty Coverage

Honda Power Equipment engines certified to CARB and EPA

regulations are covered by this warranty to be free from defects

in materials and workmanship that may keep it from meeting

the applicable EPA and CARB emissions requirements for a

minimum of 2 years or the length of the

Honda Power

Equipment Distributor’s Limited Warranty

, whichever is longer,

from the original date of delivery to the 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, and labor. Information about how to make a warranty

claim, as well as a description of how a claim can be made and/

or how service can be provided, can be obtained by contacting

an authorized Honda Power Equipment dealer or by contacting

American Honda at the following:

Email: powerequipmente[email protected]nda.com

Telephone: (888) 888-3139

The covered components include all components whose failure

would increase an engine's emissions of any regulated pollutant

or evaporative emissions. A list of specific components can be

found in the separately included emissions warranty statement.

Specific warranty terms, coverage, limitations and manner of

seeking warranty service are also set forth in the separately

included emissions warranty statement. In addition, the

emissions warranty statement can also be found on the Honda

Power equipment website or at the following link:

http://powerequipment.honda.com/support/warranty

Source of Emissions

The combustion process produces carbon monoxide, oxides of

nitrogen, and hydrocarbons. Control of hydrocarbons and

oxides of nitrogen are 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 appropriate air/fuel ratios and other emissions

control systems to reduce the emissions of carbon monoxide,

oxides of nitrogen, and hydrocarbons.

Additionally, Honda fuel systems utilize components and control

technologies to reduce evaporative emissions.

The U.S. and California Clean Air Acts, and Environment and

Climate Change Canada (ECCC)

U.S. EPA, California and Canadian regulations require all

manufacturers to furnish written instructions describing the

operation and maintenance of emission control systems.

The following instructions and procedures must be followed in

order to keep the Honda engine emissions within the emission

standards.

37Z3V6000.book Page 10 Friday, June 8, 2018 10:35 AM

ENGLISH 11

Tampering and Altering

Tampering is a violation of federal and California law.

Tampering with or altering the emission 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 governor linkage or 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

Honda Genuine 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. Honda cannot deny coverage

under the emission warranty solely for the use of non-Honda

replacement parts or service performed at a location other than

an authorized Honda dealership; you may use comparable EPA

certified parts, and have service performed at non-Honda

locations. However, 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

As the power equipment engine owner, you are responsible for

completing all 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 that all scheduled

maintenance has been completed.

Follow the MAINTENANCE SCHEDULE on page 4.

Remember that this schedule is based on the assumption that

your engine will be used for its designed purpose. Sustained

high-load or high-temperature operation, or use in dusty

conditions, will require more frequent service.

Air Index

(Models certified for sale in California)

An Air Index Information 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 to 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.

The Air Index Information hang tag/label must remain on the

engine until it is sold. Remove the hang tag before operating the

engine.

Descriptive Term

Applicable to Emissions Durability

Period

Moderate 50 hours (0–80 cc, inclusive)

125 hours (greater than 80 cc)

Intermediate 125 hours (0–80 cc, inclusive)

250 hours (greater than 80 cc)

Extended 300 hours (0–80 cc, inclusive)

500 hours (greater than 80 cc)

1,000 hours (225 cc and greater)

37Z3V6000.book Page 11 Friday, June 8, 2018 10:35 AM

12 ENGLISH

Specifications

GX25 (Basic types)

GX35 (Basic types)

GX50 (Basic types)

Description code

GX25T GX25NT

GCALT GCART

Length×Width×Height 198×221×230 mm

(7.8×8.7×9.1 in)

Dry mass [weight] 2.90 kg (6.39 lbs)

Engine type

4-stroke, overhead camshaft, single

cylinder

Displacement

[Bore×Stroke]

25.0 cm

(1.53 cu-in)

[35.0×26.0 mm (1.4×1.0 in)]

Net power

(in accordance with SAE J1349*)

0.72 kW (1.0 bhp, 1.0 PS)

at 7,000 min

-1

(rpm)

Max. Net torque

(in accordance with SAE J1349*)

1.0 N·m (0.74 lbf·ft, 0.10 kgf·m)

at 5,000 min

-1

(rpm)

Engine oil capacity 0.08 L (2 US oz, 0.07 lmp qt)

Fuel tank capacity 0.53 L (0.140 US gal, 0.117 lmp gal)

Cooling system Forced air

Ignition system Transistor magneto

PTO shaft rotation Counterclockwise

Description code

GX35T GX35NT

GCAMT GCAST

Length×Width×Height 205×234×240 mm

(8.1×9.2×9.4 in)

Dry mass [weight] 3.46 kg (7.63 lbs)

Engine type

4-stroke, overhead camshaft, single

cylinder

Displacement

[Bore×Stroke]

35.8 cm

(2.18 cu-in)

[39.0×30.0 mm (1.5×1.2 in)]

Net power

(in accordance with SAE J1349*)

1.0 kW (1.3 bhp, 1.4 PS)

at 7,000 min

-1

(rpm)

Max. Net torque

(in accordance with SAE J1349*)

1.6 N·m (1.2 lbf·ft, 0.16 kgf·m)

at 5,500 min

-1

(rpm)

Engine oil capacity 0.10 L (3 US oz, 0.09 lmp qt)

Fuel tank capacity 0.63 L (0.166 US gal, 0.139 lmp gal)

Cooling system Forced air

Ignition system Transistor magneto

PTO shaft rotation Counterclockwise

Description code

GX50T GX50NT

GCCFT GCCGT

Length×Width×Height 199×260×263 mm

(7.8 ×10.2 ×10.4 in)

Dry mass [weight] 4.13 kg (9.10 lbs) 4.15 kg (9.15 lbs)

Engine type

4-stroke, overhead camshaft, single

cylinder

Displacement

[Bore×Stroke]

47.9 cm

(2.92 cu-in)

[43.0×33.0 mm (1.7×1.3 in)]

Net power

(in accordance with SAE J1349*)

1.47 kW (2.0 bhp, 2.0 PS)

at 7,000 min

-1

(rpm)

Max. Net torque

(in accordance with SAE J1349*)

2.1 N·m (1.5 lbf·ft, 0.21 kgf·m)

at 5,000 min

-1

(rpm)

Engine oil capacity 0.13 L (4 US oz, 0.11 lmp qt)

Fuel tank capacity 0.63 L (0.166 US gal, 0.139 lmp gal)

Cooling system Forced air

Ignition system Transistor magneto

PTO shaft rotation Counterclockwise

* The power rating of the engine indicated in this document is

the net power output tested on a production engine for the

engine model and measured in accordance with SAE J1349 at

7,000 min

-1

(rpm) (Net Power) and at GX25/GX50:

5,000 min

-1

(rpm), GX35: 5,500 min

-1

(rpm) (Max. Net Torque).

Mass production engines may vary from this value.

Actual power output for the engine installed in the final

machine will vary depending on numerous factors, including

the operating speed of the engine in application,

environmental conditions, maintenance, and other variables.

Tuneup Specifications

Quick Reference Information

Wiring Diagrams

See Figure 21, page A-4.

Engine switch type: See Figure 22, page A-4.

ITEM SPECIFICATION MAINTENANCE

Spark plug gap 0.6–0.7 mm

(0.024–0.028 in)

Refer to page 6

Idle speed

3,100±200 min

-1

(rpm)

See your

authorized Honda

dealer

Valve clearance

(cold)

IN: 0.08±0.02 mm

EX: 0.11±0.02 mm

Other

specifications

No other adjustments needed.

Fuel Unleaded gasoline (Refer to page 4)

U.S. Pump octane rating 86 or higher

Except

U.S.

Research octane rating 91 or higher

Pump octane rating 86 or higher

Engine oil SAE 10W-30, API SJ or later, for general use.

Refer to page 5.

Spark plug CM5H (NGK)

CMR5H (NGK)

Maintenance Before each use:

• Check engine oil level. Refer to page 5.

• Check air filter. Refer to page 5.

First 10 hours:

Change engine oil. Refer to page 5.

Subsequent:

Refer to the maintenance schedule on page 4.

37Z3V6000.book Page 12 Friday, June 8, 2018 10:35 AM

ENGLISH 13

CONSUMER INFORMATION

Warranty and Distributor/Dealer Locator Information

United States, Puerto Rico, and U.S. Virgin Islands:

Visit our website: www.honda-engines.com

Canada:

Call (888) 9HONDA9

or visit our website: www.honda.ca

For European Area:

Visit our website: http://www.honda-engines-eu.com

Customer Service Information

Servicing 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, General Manager, or

Owner can help.

Almost all problems are solved in this way.

United States, Puerto Rico, and U.S. Virgin Islands:

If you are dissatisfied with the decision made by the

dealership’s management, contact the Honda Regional Engine

Distributor for your area.

If you are still dissatisfied after speaking with the Regional

Engine Distributor, you may contact the Honda Office as shown.

All Other Areas:

If you are dissatisfied with the decision made by the

dealership’s management, contact the Honda Office as shown.

Honda’s Office

When you write or call, please provide this information:

• Equipment manufacturer’s name and model number that the

engine is mounted on

• Engine model, serial number, and type (see page 10)

• Name of dealer who sold the engine to you

• Name, address, and contact person of the dealer who services

your engine

• Date of purchase

• Your name, address and telephone number

• A detailed description of the problem

United States, Puerto Rico, and U.S. Virgin Islands:

American Honda Motor Co., Inc.

Power Equipment Division

Customer Relations Office

4900 Marconi Drive

Alpharetta, GA 30005-8847

Or telephone: (770) 497-6400, 8:30 am - 7:00 pm ET

Canada:

Honda Canada, Inc.

Please visit www.honda.ca

for address information

Telephone: (888) 9HONDA9 Toll free

(888) 946-6329

Facsimile: (877) 939-0909 Toll free

For European Area:

Honda Motor Europe Logistics NV.

European Engine Center

http://www.honda-engines-eu.com

All Other Areas:

Please contact the Honda distributor in your area for assistance.

Honda General Purpose Engine International Warranty

The Honda General Purpose Engine installed on this brand product is covered by a Honda General Purpose Engine Warranty, on the following assumptions.

- The warranty conditions conform to those for the general purpose engine established by Honda for each country.

- The warranty does not apply to countries where there is no Honda distributor.

To obtain warranty service:

You must take your Honda general purpose engine, or the equipment in which it is installed, together with proof of original retail

purchase date to a Honda engine dealer authorized to sell that product in your country or the dealer who you purchased your product

from. To locate a Honda distributor/dealer near you or check warranty condition in your country, visit our global service information

website

https://www.hppsv.com/ENG/ or contact distributor in your country.

Exclusions:

This engine warranty does not include the following:

1. Any damage or deterioration resulting from the following:

- Improper repair or maintenance

- Operating methods other than those indicated in the engine owner’s manual

- Damage caused by the product on which the engine is installed

- Damage caused by conversion to, or use of, fuel other than the fuel(s) that the engine was originally manufactured to use, as set forth in the engine owner’s manual

and/or warranty booklet

emissions warranty unless non-genuine part used is not comparable to Honda part and was cause of the failure)

- Exposure of the product to soot and smoke, chemical agents, bird droppings, sea water, sea breeze, salt or other environmental phenomena

- Collision, fuel contamination or deterioration, neglect, unauthorized alteration, or misuse

- Natural wear and tear (natural fading of painted or plated surfaces, sheet peeling and other natural deterioration)

2. Consumable parts: Honda does not warrant parts deterioration due to normal wear and tear. The parts listed below are not covered by warranty (unless they are needed

as a part of another warranty repair):

- Lubricant: oil and grease

3. Cleaning, adjustment, and normal periodic maintenance work (carburetor cleaning and engine oil draining).

4. Use of the Honda general purpose engine for racing or competition.

https://www.hondappsv.com/ENG/QR/GX25_35_50/

About SERVICE & SUPPORT Label

There may be the SERVICE & SUPPORT label* affixed to the Honda General Purpose Engine.

As you visit our website by scanning this two-dimensional barcode (QR code), you will find service information.

* This label is not affixed to all models.

37Z3V6000.book Page 13 Friday, June 8, 2018 10:35 AM

A-1 FRANÇAIS

FRANÇAIS

MANUEL DE L’UTILISATEUR

GX25 • GX35 • GX50

Les gaz d'échappement de ce moteur contiennent des produits

chimiques connus dans l'Etat de Californie pour provoquer le cancer,

des anomalies congénitales ou autres affections reproductives.

Les illustrations de ce manuel sont basées sur le GX50.

• Les illustrations peuvent varier en fonction du type.

BOUCHON DE

REMPLISSAGE

D'HUILE/JAUGE

ETIQUETTE

D'AVERTISSEMENT

FILTRE A AIR

POMPE D'AMORCE

BOUCHON DE

REMPLISSAGE DE

CARBURANT

COUVERCLE SUPERIEUR

SILENCIEUX

(intérieur du couvercle

supérieur)

POIGNEE DE

LANCEMENT

BOUCHON DE

REMPLISSAGE

D'HUILE/JAUGE

LANCEUR

RESERVOIR DE

CARBURANT

PROTECTION DU RESERVOIR

(type applicable)

COMMANDES DU MOTEUR

LEVIER

D'ETRANGLEUR

LEVIER DES GAZ

CONTACTEUR

MOTEUR

EMPLACEMENT DE L'ETIQUETTE DE SECURITE / EMPLACEMENT DES

COMPOSANTS ET DES CONTROLES

ETIQUETTE

D'AVERTISSEMENT

Pour l'UE Sauf l'UE

fixée au produit

fournie avec le

produit

fournie avec le

produit

fixée au produit

fournie avec le

produit

fournie avec le

produit

Cette étiquette met en garde contre les risques potentiels

de blessures graves. Lire attentivement son contenu.

Si l'étiquette se décolle ou devient illisible, s'adresser au

concessionnaire réparateur pour son remplacement.

L'essence est hautement inflammable et explosive.

Avant de faire le plein de carburant, arrêter

le moteur et le laisser refroidir.

Le moteur émet du monoxyde de carbone

toxique. Ne pas le faire tourner dans un

endroit clos.

Lire le manuel de l'utilisateur avant

l'utilisation.

GX25/GX35 : types applicables

BOUGIE

(intérieur du couvercle

supérieur)

37Z3V6000.book Page 1 Friday, June 8, 2018 10:35 AM

FRANÇAIS 1

FRANÇAIS

INTRODUCTION

Nous vous remercions d'avoir porté votre choix sur un moteur Honda.

Nous désirons vous aider à faire le meilleur usage de votre nouveau moteur

et à l'utiliser en sécurité. Vous trouverez dans ce manuel des informations

sur la manière d'y parvenir; veuillez le lire attentivement avant d'utiliser le

moteur. En cas de problème ou pour toute question concernant votre

moteur, veuillez vous adresser à votre concessionnaire réparateur.

Toutes les informations de cette publication sont basées sur les dernières

informations sur le produit disponibles au moment de l'impression.

Honda Motor Co., Ltd. se réserve le droit de procéder à des modifications

à tout moment sans préavis et sans obligation de sa part. Aucune partie

de cette publication ne peut être reproduite sans autorisation écrite.

Ce manuel doit être considéré comme faisant partie du moteur

et doit l'accompagner en cas de revente.

Pour de plus amples informations sur le démarrage, l'arrêt,

l'utilisation et les réglages du moteur ou pour des instructions

sur tout entretien spécial, consultez les instructions

accompagnant l'équipement commandé par ce moteur.

Etats-Unis, Porto Rico et Iles vierges des Etats-Unis :

Nous vous conseillons de lire le bulletin de garantie afin de bien

comprendre l'étendue de la garantie et vos responsabilités en tant

que propriétaire. La politique de garantie est un document séparé

qui devrait vous avoir été remis par votre concessionnaire.

SOMMAIRE

EMPLACEMENT DE

L'ETIQUETTE DE SECURITE /

EMPLACEMENT DES

COMPOSANTS ET DES

CONTROLES........................ A-1

INTRODUCTION...................... 1

MESSAGES DE SECURITE..... 1

INFORMATIONS DE SECURITE... 1

PARTICULARITES ................... 1

CONTROLES AVANT

L'UTILISATION........................ 2

UTILISATION........................... 2

CONSIGNES DE SECURITE

D'UTILISATION.................... 2

DEMARRAGE DU MOTEUR

... 2

REGLAGE DU REGIME

MOTEUR .............................. 3

ARRET DU MOTEUR ........... 3

ENTRETIEN DU MOTEUR ...... 3

L'IMPORTANCE DE

L'ENTRETIEN....................... 3

SECURITE D'ENTRETIEN.... 3

CONSIGNES DE SECURITE

... 3

PROGRAMME D'ENTRETIEN... 4

REMPLISSAGE EN

CARBURANT........................ 4

HUILE MOTEUR................... 5

Huile recommandée ........ 5

Vérification du niveau

d'huile ............................... 5

Renouvellement d'huile

... 5

FILTRE A AIR........................ 5

Contrôle ............................ 5

Nettoyage ......................... 5

BOUGIE ................................ 6

AILETTES DE

REFROIDISSEMENT ............ 6

FILTRE A CARBURANT ET

RESERVOIR DE CARBURANT

.....7

PARE-ETINCELLES.............. 7

DEPOSE/REPOSE DU TUBE

A AIR CHAUD ...................... 8

CONSEILS ET SUGGESTIONS

UTILES..................................... 8

REMISAGE DU MOTEUR.... 8

TRANSPORT........................ 9

EN CAS DE PROBLEME

INATTENDU ............................ 9

INFORMATIONS TECHNIQUES

ET DU CONSOMMATEUR ... 10

Emplacement du numéro de

série.................................... 10

Tringlerie de commande à

distance.............................. 10

Modifications à apporter au

carburateur pour un

fonctionnement à haute

altitude ............................... 10

Informations sur le système

antipollution ...................... 10

Indice de qualité de l'air ... 11

Spécifications .................... 12

Caractéristiques de mise au

point ................................... 12

Informations de

référence rapide ................ 12

Schémas de câblage......... 12

INFORMATIONS DU

CONSOMMATEUR ............... 13

Garantie et informations de

localisation de distributeur/

concessionnaire ................ 13

Informations de

service à la clientèle.......... 13

MESSAGES DE SECURITE

Votre sécurité et celle des autres sont essentielles. Vous

trouverez des messages de sécurité importants dans ce manuel

et sur le moteur. Veuillez les lire attentivement.

Les messages de sécurité vous avertissent de risques potentiels

de blessures pour vous et les autres. Chaque message de sécurité

est précédé d'un symbole de mise en garde et de l'une des

trois mentions DANGER, ATTENTION ou PRECAUTION.

Chaque message vous indique quel est le danger, ce qui peut arriver

et ce que vous pouvez faire pour éviter ou réduire les blessures.

MESSAGES DE PREVENTION DES DOMMAGES

D'autres messages importants sont précédés du mot REMARQUE.

L'objet de ces messages est de vous aider à ne pas causer de

dommages au moteur, à d'autres biens ou à l'environnement.

INFORMATIONS DE SECURITE

• Comprenez bien le fonctionnement de toutes les commandes

et apprenez comment arrêter le moteur rapidement en cas

d'urgence. Veillez à ce que l'opérateur reçoive des instructions

adéquates avant l'utilisation de l'équipement.

• Ne pas autoriser des enfants à utiliser le moteur. Eloigner les

enfants et les animaux de la zone d'utilisation.

• Les gaz d'échappement du moteur contiennent du monoxyde

de carbone toxique.

Ne pas faire tourner le moteur sans une aération adéquate et

ne jamais l'utiliser à l'intérieur.

• Le moteur et les gaz d'échappement deviennent très chauds

pendant le fonctionnement.

Maintenir une distance d'au moins 1 mètre entre le moteur et

les immeubles et tout autre équipement pendant le

fonctionnement. Ne pas approcher de matières inflammables

et ne rien placer sur le moteur pendant son fonctionnement.

PARTICULARITES

Embrayage centrifuge

L'embrayage centrifuge s'enclenche automatiquement et transmet

la puissance quand le régime du moteur monte à plus d'environ

GX25/GX35 : 4 200 min

-1

(tr/min), GX50 : 4 400 min

-1

(tr/min).

Au ralenti, l'embrayage n'est pas enclenché.

Ne pas faire tourner le moteur sans le monter sur un équipement

qui inclut le tambour et le carter de l'embrayage centrifuge, sinon

les forces centrifuges forceront les masselottes d'embrayage à

entrer en contact, ce qui endommagerait le carter du moteur.

Ces mots-indicateurs signifient:

Le non-respect de ces instructions

ENTRAINERA des BLESSURES

GRAVES voire MORTELLES.

Le non-respect de ces instructions

est SUSCEPTIBLE d'entraîner des

BLESSURES GRAVES voire

MORTELLES.

Le non-respect de ces instructions

est SUSCEPTIBLE d'entraîner des

BLESSURES.

Cette mention signifie:

Votre moteur ou d'autres biens peuvent être

endommagés si vous ne suivez pas ces instructions.

DANGER

ATTENTION

PRECAUTION

37Z3V6000.book Page 1 Friday, June 8, 2018 10:35 AM

2 FRANÇAIS

CONTROLES AVANT L'UTILISATION

LE MOTEUR EST-IL PRET A FONCTIONNER?

Pour la sécurité, la conformité aux règlementations

environnementales et la longévité de l'équipement, il est

important de consacrer quelques instants à vérifier l'état du

moteur avant l'utilisation. Corriger tout problème constaté ou

confier cette opération au concessionnaire avant l'utilisation.

Avant de commencer les contrôles avant l'utilisation, s'assurer

que le moteur est à l'horizontale et que le contacteur moteur se

trouve sur la position ARRET.

Toujours vérifier les points suivants avant de mettre le moteur

en marche:

Vérifier l'état général du moteur

1. Avant chaque utilisation, s'assurer qu'il n'y a pas de traces

de fuites d'huile ou d'essence autour ou sous le moteur.

2. Enlever toute saleté ou débris excessifs, tout

particulièrement autour du silencieux et du lanceur.

3. Vérifier qu'il n'y a pas de signes de dommages.

4. S'assurer que tous les protecteurs et couvercles sont en

place et que tous les écrous, boulons et vis sont serrés.

Vérifier le moteur

1. Vérifier le niveau de carburant (voir page 4). Le fait de

commencer avec un réservoir plein aide à éliminer ou à

réduire les interruptions de fonctionnement pour refaire le

plein.

2. Vérifier le niveau d'huile moteur (voir page 5). L'utilisation

du moteur avec un niveau d'huile trop bas peut

l'endommager.

3. Vérifier l'élément de filtre à air (voir page 5). Un élément de

filtre à air sale limite le passage d'air vers le carburateur, ce

qui diminue les performances du moteur.

4. Vérifier l'équipement commandé par ce moteur.

Pour les précautions et procédures à observer avant le

démarrage du moteur, consulter les instructions

accompagnant l'équipement commandé par ce moteur.

Un entretien incorrect de ce moteur ou l'absence de

correction d'un problème avant l'utilisation peut

entraîner un dysfonctionnement important.

Certains dysfonctionnements peuvent entraîner des

blessures graves voire mortelles.

Toujours effectuer les contrôles avant l'utilisation

avant chaque utilisation et corriger tout problème.

UTILISATION

CONSIGNES DE SECURITE D'UTILISATION

Avant d'utiliser le moteur pour la première fois, lire la section

INFORMATIONS DE SECURITE

à la page 1 et la section

CONTROLES AVANT L'UTILISATION

Dangers du monoxyde de carbone

Par sécurité, ne pas faire fonctionner le moteur dans un endroit clos tel

qu'un garage. Les gaz d'échappement du moteur contiennent du

monoxyde de carbone, un gaz toxique qui peut s'accumuler rapidement

dans un endroit clos et provoquer une intoxication ou la mort.

Pour les consignes de sécurité à observer au démarrage, lors de

l'arrêt du moteur ou pendant l'utilisation, consulter les instructions

accompagnant l'équipement fonctionnant avec ce moteur.

DEMARRAGE DU MOTEUR

Voir Figure 1, page A-2.

Se reporter aux instructions fournies avec l'équipement pour le

levier des gaz et le contacteur moteur.

1. Pour démarrer un moteur froid, déplacer le levier

d'étrangleur [1] en position FERMEE [A].

Pour redémarrer un moteur chaud, laisser le levier

d'étrangleur en position OUVERTE [B].

2. Appuyer sur la pompe d'amorçage [2] plusieurs fois jusqu'à

ce que la pompe d'amorçage soit remplie de carburant.

Même si la pompe d'amorçage est actionnée trop souvent, le

carburant superflu retourne au réservoir de carburant.

Si la pompe d'amorçage n'est pas suffisamment actionnée, il

est possible que le moteur ne démarre pas.

3. Placer le contacteur moteur [3] sur la position MARCHE ( ) [A].

4. Tirer doucement la poignée de lancement [4] jusqu'à

ressentir une résistance, puis la tirer d'un coup sec dans le

sens de la flèche [5]. Ramener doucement la poignée de

lancement en arrière.

Ne pas laisser la poignée de lancement revenir brusquement

contre le moteur.

Accompagner doucement son mouvement de retour pour ne

pas risquer d'endommager le lanceur.

5. Si le levier d'étrangleur a été déplacé en position FERMEE

[A] pour démarrer le moteur, le déplacer graduellement en

position OUVERTE [B] au fur et à mesure que le moteur se

réchauffe.

L'échappement contient du monoxyde de carbone

gazeux nocif qui peut s'accumuler jusqu'à atteindre

des niveaux dangereux dans des lieux clos.

L'inhalation de monoxyde de carbone peut

provoquer une perte de conscience ou la mort.

Ne jamais faire tourner le moteur dans un endroit

clos, même partiellement.

37Z3V6000.book Page 2 Friday, June 8, 2018 10:35 AM

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