honda-automobiles parts gx120 User Manual
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ENGLISH
MAINTENANCE SCHEDULE
THE IMPORTANCE OF MAINTENANCE
Maintenance, replacement, or repair of the emission control
devices and systems may be performed by any engine repair
establishment or individual, using parts that are ‘‘certified’’ to
EPA standards.
devices and systems may be performed by any engine repair
establishment or individual, using parts that are ‘‘certified’’ to
EPA standards.
MAINTENANCE SAFETY
Injury from moving parts.
Burns from hot parts.
Carbon monoxide poisoning from engine exhaust.
SAFETY PRECAUTIONS
SERVICING YOUR ENGINE
STANDARD TYPE
INTERNAL VENT
CARBURETOR TYPE
BREATHER TUBE
BREATHER TUBE
TUBE CLIP
7
Improper maintenance, or failure to correct a
problem before operation, can cause a malfunction in
which you can be seriously hurt or killed.
problem before operation, can cause a malfunction in
which you can be seriously hurt or killed.
Always follow the inspection and maintenance
recommendations and schedules in this owner’s
manual.
recommendations and schedules in this owner’s
manual.
To help you properly care for your engine, the following pages
include a maintenance schedule, routine inspection procedures,
and simple maintenance procedures using basic hand tools. Other
service tasks that are more difficult, or require special tools, are
best handled by professionals and are normally performed by a
Honda technician or other qualified mechanic.
include a maintenance schedule, routine inspection procedures,
and simple maintenance procedures using basic hand tools. Other
service tasks that are more difficult, or require special tools, are
best handled by professionals and are normally performed by a
Honda technician or other qualified mechanic.
The maintenance schedule applies to normal operating conditions.
If you operate your engine under severe conditions, such as
sustained high-load or high-temperature operation, or use in
unusually wet or dusty conditions, consult your servicing dealer
for recommendations applicable to your individual needs and use.
If you operate your engine under severe conditions, such as
sustained high-load or high-temperature operation, or use in
unusually wet or dusty conditions, consult your servicing dealer
for recommendations applicable to your individual needs and use.
Some of the most important safety precautions follow. However,
we cannot warn you of every conceivable hazard that can arise in
performing maintenance. Only you can decide whether or not you
should perform a given task.
we cannot warn you of every conceivable hazard that can arise in
performing maintenance. Only you can decide whether or not you
should perform a given task.
To ensure the best quality and reliability, use only new genuine
Honda parts or their equivalents for repair and replacement.
Honda parts or their equivalents for repair and replacement.
Remember that an authorized Honda servicing dealer knows your
engine best and is fully equipped to maintain and repair it.
engine best and is fully equipped to maintain and repair it.
To reduce the possibility of fire or explosion, be careful when
working around gasoline. Use only a nonflammable solvent, not
gasoline, to clean parts. Keep cigarettes, sparks and flames
away from all fuel related parts.
working around gasoline. Use only a nonflammable solvent, not
gasoline, to clean parts. Keep cigarettes, sparks and flames
away from all fuel related parts.
Read the instructions before you begin, and make sure you have
the tools and skills required.
the tools and skills required.
Do not run the engine unless instructed to do so.
Let the engine and exhaust system cool before touching.
Be sure there is adequate ventilation whenever you operate
the engine.
the engine.
Make sure the engine is off before you begin any maintenance
or repairs. This will eliminate several potential hazards:
or repairs. This will eliminate several potential hazards:
Failure to properly follow maintenance instructions
and precautions can cause you to be seriously hurt or
killed.
and precautions can cause you to be seriously hurt or
killed.
Always follow the procedures and precautions in this
owner’s manual.
owner’s manual.
Good maintenance is essential for safe, economical and trouble-
free operation. It will also help reduce pollution.
free operation. It will also help reduce pollution.
Internal vent carburetor with dual element type only.
Cyclone type every 6 months or 150 hours.
Cyclone type every 6 months or 150 hours.
Replace paper element type only.
Cyclone type every 2 years or 600 hours.
Cyclone type every 2 years or 600 hours.
Service more frequently when used in dusty areas.
These items should be serviced by your servicing dealer,
unless you have the proper tools and are mechanically
proficient. Refer to Honda shop manual for service procedures.
unless you have the proper tools and are mechanically
proficient. Refer to Honda shop manual for service procedures.
For commercial use, log hours of operation to determine
proper maintenance intervals.
proper maintenance intervals.
Failure to follow this maintenance schedule could result in non-
warrantable failures.
warrantable failures.
(1)
(2)
(3)
REGULAR SERVICE PERIOD (3)
ITEM
Perform at every
indicated month or
operating hour interval,
whichever comes first.
Check level
Change
Check level
Change
Check
Clean
Replace
Clean
Check-adjust
Replace
Clean
Check-adjust
Check-adjust
Clean
Clean
Check
Each
Use
First
Month
or
20 Hrs
Every 3
Months
or
50 Hrs
(1)
Every 6
Months
or
100 Hrs
(1)
(2)
Every
Year
or
300 Hrs
(2)
(2)
After every 500 Hrs. (2)
Every 2 years
(Replace if necessary) (2)
Engine oil
Reduction case
oil
(
)
Air filter
Sediment cup
Spark plug
Spark arrester
(
)
Idle speed
Valve clearance
Combustion
chamber
Fuel tank &
filter
Fuel tube
Refer
to
Page
Shop
manual
Shop
manual
Shop
manual
Shop
manual
applicable types
applicable types
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