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Idiomas disponibles
Fault location
Fault
Engine not starting or with difficulty
Warm start problems
Engine starts but dies
Insufficient performance
Interval of inspection and maintenance
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Inspect / refill
Engine oil
Replace
Tightening parts
Inspect
(bolt, nut)
Cooling air inlet
Clean / inspect
Fuel tank
Clean / inspect
Drain fuel
Check function
Throttle trigger /
throttle lever
Check function
Stopping the
engine
Adjustment of
Inspect / adjust
idling speed
Air cleaner
Clean
Inspect / replace
if necessary
Control cable
Inspect / adjust
Inspect / replace
if necessary
Spark plug
Inspect / adjust
gap if necessary
Clean / replace if
necessary
Plug cord
Inspect / replace
if necessary
Fuel pipe
Inspect
Replace
Fuel filter
Clean / replace if
necessary
Oil tube
Inspect
Valve clearance
Inspect / adjust
(intake valve and
exhaust valve)
Muffler
Inspect / clean
Inspect / clean
Combustion
chamber / valve
/ port
Overhaul
Engine
Carburetor
Drain fuel
Note1: Perform initial replacement after 20h operation.
Note2: For inspection, request Authorized Service Agent or a machine shop.
Note3: After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.
System
Ignition system
Fuel supply
Compression
Mechanical fault
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Fuel supply
Several systems may simultaneously
be affected
After fuelling
Before
operation
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Observation
Ignition sparks.
No ignition sparks.
Fuel tank filled.
No compression when pulled over.
Starter not engaging.
Tank filled. Ignition sparks.
Tank filled.
Engine idling poor.
Daily (10h)
50h
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(Note1)
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16 ENGLISH
Cause
Fault in fuel supply or compression
system, mechanical defect.
STOP-switch operated, wiring fault or
short circuit, spark plug or connector
defective, ignition module faulty.
Incorrect choke position, carburetor
defective, fuel supply line bent or
blocked, fuel dirty.
Cylinder bottom gasket defective, crankshaft
seals damaged, cylinder or piston rings
defective or improper sealing of spark plug.
Broken starter spring, broken parts
inside of the engine.
Carburetor contaminated, have it cleaned.
Incorrect idling adjustment, carburetor
contaminated.
Fuel tank vent defective, fuel supply line
interrupted, cable or STOP-switch faulty.
Air filter contaminated, carburetor con-
taminated, muffler clogged, exhaust
duct in the cylinder clogged.
200h
600h or 2 years
Before storage
whichever
earlier
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(Note3)
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