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.
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.
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.
2010 Honda Motor Co., Ltd.
GX240U2·GX270U2·GX340U2·GX390U2·GX240R2·GX270R2·GX340R2·GX390R2
37Z5R600
00X37-Z5R-6000
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
OWNER'S MANUAL
MANUEL DE L'UTILISATEUR
MANUAL DEL PROPIETARIO
GX240 · GX270 · GX340 · GX390
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
................
SAFETY INFORMATION
SAFETY LABEL LOCATION
COMPONENT & CONTROL
LOCATIONS
..............................
FEATURES
................................
BEFORE OPERATION
CHECKS
....................................
OPERATION
..............................
SAFE OPERATING
PRECAUTIONS
.....................
STARTING THE ENGINE
STOPPING THE ENGINE
SETTING ENGINE SPEED
SERVICING YOUR ENGINE
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
SEDIMENT CUP
.1
.1
SPARK PLUG
......................
..........
.2
SPARK ARRESTER
.....
.2
IDLE SPEED
.........................
HELPFUL TIPS &
SUGGESTIONS
......................
.3
.3
STORING YOUR ENGINE .13
TRANSPORTING
.4
TAKING CARE OF
.4
UNEXPECTED PROBLEMS
FUSE REPLACEMENT
.4
TECHNICAL INFORMATION .16
......
.4
Serial Number Location
......
.6
Battery Connections for
.....
.6
Electric Starter
Remote Control Linkage
.....
.7
Carburetor Modifications for
.7
High Altitude Operation
......
.7
Emission Control System
.......
.7
Information
.........................
Air Index
..............................
.7
Specifications
.8
Tuneup Specifications
.8
Quick Reference
............
.8
Information
.........................
.9
Wiring Diagrams
.9
CONSUMER INFORMATION .20
.........
.9
Warranty and Distributor/
............
.9
Dealer Locator
.9
Information
.........................
.10
Customer Service
.10
Information
.........................
.10
.10
..................
.12
.12
.............
.13
.13
.13
...
................
.14
....
.15
........
.15
..
.....
.16
....................
.16
.....
.16
.....
.17
.17
.18
.....................
.18
........
.19
.19
................
.19
.
.20
.20
1