Honda iGX390 - User Manual

ENGLISH 1
ENGLISHFRANÇAISESPAÑOL
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.
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.
©
2014 Honda Motor Co., Ltd. –All Rights Reserved
37Z8R803
iGX270·iGX390
00X37-Z8R-8030
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.
OWNER’S MANUAL
MANUEL DE L’UTILISATEUR
MANUAL DEL PROPIETARIO
iGX270∙iGX390
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
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects or
other reproductive harm.
INTRODUCTION.................... 1
SAFETY MESSAGES.............. 1
SAFETY INFORMATION ......... 2
SAFETY LABEL LOCATION..... 2
COMPONENT & CONTROL
LOCATIONS ......................... 3
FEATURES ........................... 4
BEFORE OPERATION
CHECKS .............................. 5
OPERATION ......................... 5
SAFE OPERATING
PRECAUTIONS................... 5
STARTING THE ENGINE...... 5
STOPPING THE ENGINE ...... 6
SERVICING YOUR ENGINE ..... 7
THE IMPORTANCE OF
MAINTENANCE.................. 7
MAINTENANCE SAFETY ..... 7
SAFETY PRECAUTIONS ...... 7
MAINTENANCE
SCHEDULE ........................ 7
REFUELING........................ 8
ENGINE OIL ....................... 9
Recommended Oil............ 9
Oil Level Check ............... 9
Oil Change...................... 9
AIR CLEANER .................. 10
SEDIMENT CUP ............... 11
SPARK PLUG ................... 12
SPARK ARRESTER ........... 12
FUSE .............................. 13
HELPFUL TIPS &
SUGGESTIONS....................13
STORING YOUR ENGINE....13
TRANSPORTING ...............14
TAKING CARE OF
UNEXPECTED PROBLEMS.....15
TECHNICAL INFORMATION ...16
SERIAL NUMBER
LOCATION.......................16
BATTERY CONNECTIONS
FOR ELECTRIC STARTER...16
CARBURETOR
MODIFICATIONS FOR
HIGH ALTITUDE
OPERATION .....................17
EMISSION CONTROL
SYSTEM INFORMATION....17
AIR INDEX .......................18
SPECIFICATIONS..............18
TUNEUP 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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Summary

Safety Messages and Warnings

Understanding Safety Signal Words

Defines DANGER, WARNING, and CAUTION signal words for hazard identification.

Safety Information and Labels

General Operational Safety

Key safety rules for operating the engine, including ventilation and hot parts.

Pre-Operation Checks

General Engine Condition Check

Pre-Start Engine Checks

Engine Operation Procedures

Safe Operating Precautions

Essential safety rules for engine operation, including ventilation and avoiding enclosed areas.

Starting the Engine (Electric Starter)

Procedure for starting the engine using the electric starter.

Engine Starting and Stopping

Starting the Engine (Recoil Starter)

Step-by-step guide for starting the engine using the recoil starter.

Engine Stopping Procedure

Instructions on how to properly shut down the engine using the switch and fuel valve.

Servicing Your Engine

Maintenance Safety Precautions

Critical safety rules to follow when performing maintenance tasks.

Maintenance Schedule Overview

Refueling Procedures

Recommended Fuel Types

Specifies the correct type of gasoline for the engine, including octane ratings.

Refueling Safety and Best Practices

Provides instructions for safe refueling, including warnings about gasoline hazards.

Engine Oil Service

Recommended Engine Oil Specifications

Details the type of oil and viscosity recommended for the engine.

Checking Engine Oil Level

Step-by-step guide to check the engine oil level.

Engine Oil Change Procedure

Instructions for draining and refilling the engine oil.

Air Cleaner Maintenance

Inspecting Air Cleaner Elements

Cleaning Air Cleaner Elements

Sediment Cup Maintenance

Spark Plug Service

Spark Plug Replacement and Gapping

Details on selecting, inspecting, gapping, and installing the spark plug.

Spark Arrester Service

Storage Preparation Procedures

Draining the Carburetor for Storage

Troubleshooting Engine Problems

Engine Lacks Power Troubleshooting

Common causes and solutions when the engine loses power.

Engine Will Not Start Troubleshooting

Identifies potential issues and corrective actions when the engine fails to start.

High Altitude Operation Adjustments

Carburetor Modifications for Altitude

Honda iGX390 Specifications

General

Displacement	389 cm³
Compression Ratio	8.2:1
Net Power Output	8.7 kW (11.7 HP) at 3, 600 rpm
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Ignition System	Transistorized magneto ignition
Cooling System	Forced air
Oil Capacity	1.1 L (1.2 US qt)
Fuel System	Carburetor
Bore x Stroke	88 mm x 64 mm
Net Torque	26.5 Nm (19.5 lb-ft) at 2, 500 rpm
Fuel Consumption	3.5 L/h at 3, 600 rpm
Starting System	Recoil starter
Dry Weight	31.5 kg
Fuel Tank Capacity	6.1 L
Dimensions	405 x 450 x 443 mm