Honda GX240 Owner's Manual

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.

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.
©
2017 Honda Motor Co., Ltd. –All Rights Reserved
37Z5T600
00X37-Z5T-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.
GX240UT2∙GX270UT2∙GX340UT2∙GX390UT2
∙GX240RT2∙GX270RT2∙GX340RT2∙GX390RT2
OWNER'S MANUAL
MANUEL DE L'UTILISATEUR
MANUAL DEL PROPIETARIO
GX240•GX270•GX340•GX390
The illustrations herein are mainly based on: PTO shaft type S,
with fuel tank
• The illustration may vary according to the type.
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects
or other reproductive harm.
California Proposition 65
This product contains or emits
chemicals known to the state of
California to cause cancer, birth defects
or other reproductive harm
CONTENTS
INTRODUCTION.................... 1
SAFETY MESSAGES.............. 1
SAFETY INFORMATION ......... 2
SAFETY LABEL LOCATION..... 2
COMPONENT & CONTROL
LOCATIONS ......................... 3
FEATURES ........................... 3
BEFORE OPERATION CHECKS ...4
OPERATION ......................... 4
SAFE OPERATING
PRECAUTIONS................... 4
STARTING THE ENGINE ...... 4
STOPPING THE ENGINE ...... 6
SETTING ENGINE SPEED ..... 6
SERVICING YOUR ENGINE ..... 7
THE IMPORTANCE OF
MAINTENANCE.................. 7
MAINTENANCE SAFETY ..... 7
SAFETY PRECAUTIONS ...... 7
MAINTENANCE SCHEDULE ... 7
REFUELING ......................... 8
ENGINE OIL ....................... 8
Recommended Oil............ 8
Oil Level Check ............... 9
Oil Change...................... 9
REDUCTION CASE OIL........ 9
Recommended Oil............ 9
Oil Level Check ............... 9
Oil Change.................... 10
AIR CLEANER .................. 10
Inspection..................... 10
Cleaning ....................... 10
ENGLISH
SEDIMENT CUP ................12
SPARK PLUG....................12
SPARK ARRESTER ............13
IDLE SPEED......................13
HELPFUL TIPS &
SUGGESTIONS ................... 13
STORING YOUR ENGINE....13
TRANSPORTING ...............14
TAKING CARE OF
UNEXPECTED PROBLEMS .... 15
FUSE REPLACEMENT ........15
TECHNICAL INFORMATION ...16
Serial Number Location ...16
Battery Connections for
Electric Starter...............16
Remote Control Linkage ...16
Carburetor Modifications for
High Altitude Operation...17
Emission Control System
Information ...................17
Air Index .......................18
Specifications ................18
Tune-up Specifications....19
Quick Reference
Information ................... 19
Wiring Diagrams ............19
CONSUMER INFORMATION... 20
Warranty and Distributor/
Dealer Locator
Information.................20
Customer Service
Information ...................20
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