Honda Automobiles GXH50 User Manual
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HONDA
ENGINES
Owner’s
GXH50
Manual
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
Keep this owner’s manual handy,
This owner’s manual is considered a permanent part
if
remain with the engine
resold.
so
you can refer to it at any time.
of
the engine and should
The information and specifications included in this publication were in effect
at the time of approval for printing. Honda Motor
Co.,
Ltd. reserves the right,
however, to discontinue or change specifications or design at any time without
notice and without incurring any obligation whatever.
No
part of this publica-
tion may be reproduced without written permission.
INTRODUCTION
Congratulations on your selection of a Honda engine. We are certain you will
of
be pleased with your purchase of one
We want to help you get the best results from your new engine and to operate
it safely. This manual contains the information on how to do that; please read
it carefully.
As
you read this manual, you will find information preceded by a
symbol. That information is intended to help you avoid damage to your engine,
other property, or the environment.
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
When your engine needs scheduled maintenance, keep in mind that your
Honda servicing dealer is specially trained in servicing Honda engines. Your
Honda servicing dealer is dedicated to your satisfaction and will be pleased to
answer your questions and concerns.
to
you by your dealer.
the finest engines on the market.
Best Wishes,
Honda Motor Co., Ltd.
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INTRODUCTION
A FEW WORDS ABOUT SAFETY
Your safety and the safety of others are very important. And using this engine
safely
To help you make informed decisions about safety, we have provided
operating procedures and other information
information alerts you to potential hazards that could hurt you or others.
Of course, it is not practical or possible to warn you about all the hazards
associated with operating or maintaining an engine. You must use your own
good judgment.
You will find important safety information in a variety of forms, including:
is
an important responsibility.
on
labels and in this manual. This
Safety Messages-preceded by a safety alert symbol Aand one of three
signal words, DANGER, WARNING, or CAUTION.
These signal words mean:
You WILL be KILLED or SERIOUSLY HURT
don’t follow instructions.
You CAN be KILLED or SERIOUSLY HURT
don’t follow instructions.
Safety Headings
-
such as
Safety Section - such
You CAN be HURT
IMPORTANT
as
ENGINE
if
you don’t follow instructions.
SAFETY INFORMATION.
SAFETY.
Instructions - how to use this engine correctly and safely.
This entire book is filled with important safety information
carefully.
2
-
please read it
if
if
you
you
ENGINE SAFETY
IMPORTANT SAFETY INFORMATION
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5
5
CONTROLS
COMPONENT & CONTROL LOCATIONS
CONTROLS
Fuel Valve Lever
Ignition Switch
Choke Lever
Throttle Lever
Recoil Starter Grip
FEATURES
Oil Alert !System (applicable engine types)
BEFORE OPERATION
IS
YOUR ENGINE READY TO GO?
Check the General Condition
Check the Engine
Check the Equipment Powered by This Engine
OPERATION
SAFE OPERATING PRECAUTIONS
STARTING THE ENGINE
STOPPING THE ENGINE
SETTING ENGINE SPEED
&
FEATURES
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of
the Engine
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7
7
8
8
9
10
11
12
13
13
14
14
14
15
15
16
16
16
19
20
SERVICING YOUR HONDA ENGINE
THE IMPORTANCE OF MAINTENANCE
MAINTENANCE SAFETY
MAINTENANCE SCHEDULE
REFUELING
FUEL RECOMMENDATIONS
ENGINE
ENGINE
ENGINE
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OIL
LEVEL CHECK
OIL
CHANGE
OIL
RECOMMENDATIONS
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21
21
22
23
24
25
26
27
29
3
CONTENTS
SERVICING YOUR HONDA ENGINE (continued)
AIR FILTER INSPECTION
AIR FILTER CLEANING
SPARK PLUG SERVICE
SPARK ARRESTER SERVICE
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30
31
32
34
HELPFUL TIPS
STORING YOUR ENGINE
Storage Preparation
Storage Precautions
Removal From Storage
TRANSPORTING
TAKING CARE OF UNEXPECTED PROBLEMS
ENGINE WILL NOT START
ENGINE LACKS POWER
TECHNICAL
TECHNICAL INFORMATION
Serial Number Location
Carburetor Modification for High Altitude Operation
Oxygenated Fuels
Emission Control System Information
Air index
Specifications
Wiring Diagram
CONSUMER INFORMATION
Honda Publications
Warranty Service Information
&
SUGGESTIONS
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&
CONSUMER INFORMATION
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36
40
40
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42
42
43
43
43
44
45
46
48
49
50
51
51
52
QUICK REFERENCE INFORMATION
4
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Inside back cover
ENGINE
IMPORTANT SIAFETY INFORMATION
SAFETY
Most accidents with engines can be prevented
this manual and on the engine. Some of the most common hazards are
discussed below, along with the best way to protect yourself and others.
Owner Responsibilities
Honda engilnes are designed to give safe and dependable service
operated according to instructions. Read and understand this owner’s
manual before operating the engine. Failure to do
personal injury or equipment damage.
Know how to stop the engine quickly, and understand the operation of all
controls. Never permit anyone to operate the engine without proper
instructions.
Do
not allow children to operate the engine. Keep children and pets away
from the area of operation.
Refuet With Care
Gasoline is extremely flammable, and gasoline vapor can explode. Refuel
outdoors, in a well-ventilated area, with the engine stopped. Never smoke
near gasoline, and keep other flames and sparks away. Always store gasoline
in an approved container.
starting the engine.
If
any fuel is spilled, make sure the area is dry before
if
you follow all instructions in
so
could result in
if
Hot Exhaust
0
The muffler becomes very hot during operation and remains hot for a while
after stopping the engine. Be careful not to touch the muffler while it is hot.
Let the engine cool before storing it indoors.
0
To prevent fire hazards and to provide adequate ventilation for stationary
equipment applications, keep the engine at least 3feet
building walls and other equipment during operation.
mable objects close to the engine.
(1
meter) awayfrom
Do
not place flam-
5
ENGINE SAFETY
Carbon Monoxide Hazard
Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of exhaust gas. Never run the engine in a closed garage or confined area.
Other Equipment
Review the instructions provided with the equipment powered by this engine
for any additional safety precautions that should be observed in conjunction
with engine startup, shutdown, or operation, or protective apparel that may be
needed to operate the equipment.
6
CONTROLS & FEATURES
COMPONENT & CONTROL LOCATIONS
\
&PROITLE
OIL FILLER CAP
DIPSTICK
/
STARTER GRIP RECOIL
OIL DRAIN PLUG
SPAR1 K PLUG
LEVER
STARTER
FUEL FILLER CAP,
x
jUELTANK
Y
‘IGNITION
SWITCH
7
CONTROLS
CONTROLS
Fuel
Valve Lever
The fuel valve opens and closes the passage between the fuel tank and the
carburetor.
&
FEATURES
The fuel valve lever must be in the
When the engine is not in use or being transported, leave the fuel valve lever
OFF
in the
of fuel leakage.
position to prevent carburetor flooding and to reduce the possibility
LEVER
ON
position for the engine to run.
8
CONTROLS & FEATURES
Ignition
The ignition switch enables and disables the ignition system.
The ignition switch must be in the
Turning the ignlition switch to the
Switch
ON
position for the engine to run.
OFF
position stops the engine.
IGNITION
SWITCH
9
CONTROLS
&
FEATURES
Choke
The choke lever opens and closes the choke valve in the carburetor.
The
The
starting, and for restarting a warm engine.
Lever
CLOSED
OPEN
position provides the correct fuel mixture
position enriches the fuel mixture for starting a cold engine.
for
operation after
CHOKE
LEVER
10
CONTROLS & FEATURES
Throttle
The throttle lever controls engine speed.
Moving the thrsttie lever in the directions
or slower.
Lever
THROITLE
LEVER
shown
makes the engine run faster
11
CONTROLS & FEATURES
Recoil
Pulling the starter grip operates the recoil starter to crank the engine.
Starter
Grip
(EQUIPMENT SIDE)
12
STARTER GRIP
CONTROLS & FEATURES
FEATURES
Oil
Alert@ System (applicable engine types)
The Oil Alert@ system is designed to prevent engine damage caused by an
insufficient amount of oil in the crankcase. Before the
can fall below
engine (the ignition switch will remain
If
the engine stops
before troubleshooting in other areas.
a
safe limit, the Oil Alert@ system will automatically stop the
in
the
ON
and
will not restart, check the engine oil level (page
oil
level in the crankcase
position).
26)
13
BEFORE
IS
YOUR
For your safety, 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.
ENGINE READY TO GO?
OPERATION
Improperly maintaining this engine,
or failing to correct a problem
before operation, could cause a
malfunction in which you could be
seriously injured.
Always perform a preoperation
inspection before each operation,
and correct any problem.
Before beginning your preoperation checks, be sure the engine
OFF
the ignition switch is in the
Check the General Condition of the Engine
Look around and underneath the engine for signs of oil or gasoline leaks.
Remove any accumulated dirt or debris, especially around the muffler and
recoil starter.
Look for signs of damage.
Check that all shields and covers are in place, and all nuts, bolts, and
screws are tightened.
position.
is
level and
14
Check the En!gine
BEFORE
OPERATION
Check the engine oil level (see page
level can cause engine damage.
The Oil
engine befcre the oil level falls
inconvenience of an unexpected shutdown, always check the engine
level before startup.
Check the air filter (see page
carburetor, lreducing engine performance.
Check the
operating interruptions for refueling.
Check the Equipment Powered by This Engine
Review the ins1:ructions provided with the equipment powered by this engine
for any precauiiions and procedures that should be followed before engine
startup.
Alert
system (applicable engine types)
30).
fuel
level. Starting with a full
26),
below
A
dirty
Running the engine with a low oil
will
automatically
safe limits. However, to avoid the
air filter will restrict air flow
tank
will help to eliminate or reduce
stop
to
the
oil
the
15
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