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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 an
authorized Honda 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.
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.
These signal words mean:
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.
This word means:
Your engine or other property can be damaged if you
don't follow instructions.
The purpose of these messages is to help prevent damage to your
engine, other property, or the environment.
2005 Honda Motor Co., Ltd.
37Z4F603
00X37-Z4F-6030
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.
All Rights Reserved
GX120U1·GX160U1·GX200U
OWNER'S MANUAL
MANUEL DE L'UTILISATEUR
MANUAL DEL PROPIETARIO
GX120 · GX160 · GX200
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects
or other reproductive harm.
CONTENTS
INTRODUCTION
.......................
SAFETY MESSAGES
................
COMPONENT & CONTROL
LOCATION
................................
FEATURES
................................
BEFORE OPERATION
CHECKS
....................................
OPERATION
..............................
SAFE OPERATING
PRECAUTIONS
.....................
STARTING THE ENGINE
STOPPING THE ENGINE
SETTING ENGINE SPEED
THE IMPORTANCE OF
MAINTENANCE
....................
MAINTENANCE SAFETY
SAFETY PRECAUTIONS
MAINTENANCE
SCHEDULE
............................
REFUELING
...........................
ENGINE OIL
...........................
Recommended Oil
............
Oil Level Check
..................
Oil Change
.........................
REDUCTION CASE OIL
Recommended Oil
............
Oil Level Check
..................
Oil Change
.......................
AIR CLEANER
......................
Inspection
........................
Cleaning
..........................
ENGLISH
.1
SEDIMENT CUP
.1
SPARK PLUG
......................
..........
.2
SPARK ARRESTER
.....
.2
IDLE SPEED
.........................
HELPFUL TIPS &
.2
SUGGESTIONS
......................
.3
STORING YOUR ENGINE .13
TRANSPORTING
.3
TAKING CARE OF
.4
UNEXPECTED PROBLEMS
FUSE REPLACEMENT
.4
TECHNICAL & CONSUMER
......
.4
INFORMATION
.......................
......
.5
Serial Number Location
.....
.6
Battery Connections for
.....
.7
Electric Starter
....................
Remote Control Linkage
.7
Carburetor Modifications for
......
.7
High Altitude Operation
.......
.7
Oxygenated Fuels
Emission Control System
.7
Information
.........................
.8
Air Index
..............................
.8
Specifications
.....................
.8
Tuneup Specifications
.9
Quick Reference
.9
Information
.........................
.........
.9
Wiring Diagrams
.9
CONSUMER INFORMATION .20
.9
Distributor/Dealer Locator
.10
Information
.........................
.10
Customer Service
.10
Information
.........................
.11
..................
.12
.12
.............
.13
.13
.13
...
................
.14
....
.15
........
.15
.16
.....
.16
.16
.....
.16
.....
.16
...............
.17
.17
.18
.18
........
.18
.19
................
.19
.
.20
.20
1

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  • Page 1: Safety Messages

    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 OWNER’S MANUAL carefully before operating the engine.

  • Page 2: Safety Information, Safety Label Location

    RECOIL STARTER This label warns you of potential hazards that can cause serious MUFFLER injury. Read it carefully. If the label comes off or becomes hard to read, contact your Honda dealer for replacement. SPARK PLUG STARTER GRIP For Canadian types only:...

  • Page 3: Before Operation Checks

    FEATURES BEFORE OPERATION CHECKS OIL ALERT SYSTEM (applicable types) IS YOUR ENGINE READY TO GO? The Oil Alert system is designed to prevent engine damage caused by an insufficient amount of oil in the crankcase. Before For your safety, and to maximize the service life of your the oil level in the crankcase can fall below a safe limit, the Oil equipment, it is very important to take a few moments before you Alert system will automatically stop the engine (the engine...

  • Page 4

    OPERATION Turn the engine switch to the ON position. EXCEPT ELECTRIC ELECTRIC STARTER TYPES SAFE OPERATING PRECAUTIONS STARTER TYPES Before operating the engine for the first time, please review the SAFETY INFORMATION section on page and the BEFORE OPERATION CHECKS on page . ENGINE SWITCH Carbon monoxide gas is toxic.

  • Page 5

    Operate the starter. STOPPING THE ENGINE RECOIL STARTER: To stop the engine in an emergency, simply turn the engine switch to the OFF position. Under normal conditions, use the following Pull the starter grip lightly until you feel resistance, then pull procedure.

  • Page 6

    SETTING ENGINE SPEED Position the throttle lever for the desired engine speed. Some engine applications use a remote-mounted throttle control rather than the engine-mounted throttle lever shown here. Refer to the instructions provided by the equipment manufacturer. For engine speed recommendations, refer to the instructions provided with the equipment powered by this engine.

  • Page 7: Servicing Your Engine

    Let the engine and exhaust system cool before touching. proficient. Refer to Honda shop manual for service procedures. Injury from moving parts. Do not run the engine unless instructed to do so.

  • Page 8

    If spark knock or pinging shown in the chart may be used when the average temperature in persists, see an authorized Honda servicing dealer. your area is within the indicated range. Running the engine with persistent spark knock or pinging can cause engine damage.

  • Page 9

    Oil Level Check Install the oil filler cap/dipstick and tighten securely. OIL FILLER CAP/ Check the engine oil level with the engine stopped and in a level DIPSTICK position. Remove the oil filler cap/dipstick and wipe it clean. Insert the oil filler cap/dipstick into the oil filler neck as shown, WASHER but do not screw it in, then remove it to check the oil level.

  • Page 10

    6 : 1 Reduction Case 6 : 1 Reduction Case OIL LEVEL FILLER BOLT Remove the oil-level-check bolt Drain the used oil while the engine is warm. Warm oil drains and washer, and see whether the quickly and completely. oil level is at the edge of the bolt hole.

  • Page 11

    Cleaning Wipe dirt from the inside of the air cleaner case and cover, using STANDARD DUAL-FILTER- ELEMENT TYPE a moist rag. Be careful to prevent dirt from entering the air duct Dual-Filter-Element Types that leads to the carburetor. WING NUT Remove the wing nut from AIR CLEANER Place the foam air filter element over the paper element, and...

  • Page 12

    Low Profile Types Move the fuel valve to the ON position, and check for leaks. CLIP AIR CLEANER COVER Replace the O-ring if there is any leakage. Unsnap the air cleaner cover clips, remove the air cleaner SPARK PLUG cover, and remove the air filter element.

  • Page 13

    Check local laws and regulations. A spark Storage Preparation arrester is available from authorized Honda servicing dealers. Proper storage preparation is essential for keeping your engine trouble-free and looking good. The following steps will help to The spark arrester must be serviced every 100 hours to keep it keep rust and corrosion from impairing your engine’s function and...

  • Page 14

    Draining the Fuel Tank and Carburetor 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 Gasoline is highly flammable and explosive, and you appliance that operates with a flame, such as a furnace, water can be burned or seriously injured when handling...

  • Page 15: Taking Care Of Unexpected Problems

    Frequent fuse failure usually indicates a short circuit or an Honda carburetor as necessary. overload in the electrical system. If the fuse burns out frequently, servicing malfunction, take the engine to a servicing Honda dealer for repair. dealer, or refer ignition to shop malfunction, manual. valves stuck, etc.

  • Page 16

    TECHNICAL & CONSUMER INFORMATION Remote Control Linkage TECHNICAL INFORMATION The throttle and choke control levers are provided with holes for optional cable attachment. The following illustrations show Serial Number Location installation examples for a solid wire cable and for a flexible, Record the engine serial braided wire cable.

  • Page 17

    United States and Canada use oxygenated fuels to help reduce emissions. The following instructions and procedures must be followed in order to keep the emissions from your Honda engine within the If you use oxygenated fuel, be sure it is unleaded and meets the emission standards.

  • Page 18

    Air Index Specifications An Air Index Information hang tag/label is applied to engines GX120 (PTO shaft type S) certified to an emission durability time period in accordance with Length Width 318 mm the requirements of the California Air Resources Board.

  • Page 19

    Quick Reference Information Wiring Diagrams Fuel Unleaded gasoline (Refer to page 8) With Oil Alert and Electric Starter U.S. Pump octane rating 86 or higher Except Research octane rating 91 or higher U.S. Pump octane rating 86 or higher Engine oil SAE 10W-30, API SJ or SL, for general use.

  • Page 20

    If you are dissatisfied with the decision made by the dealership’s All Other Areas: management, contact the Honda Regional Engine Distributor for Please contact the Honda distributor in your area for assistance. your area. If you are still dissatisfied after speaking with the Regional Engine Distributor, you may contact the Honda Office as shown.

This manual also for:

Gx160, Gx200

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