Fault location
Fault
Engine not starting or
with difficulty
Warm start problems
Engine starts but dies
Insufficient
performance
Interval of inspection and maintenance
-
Engine
Inspect /
oil
refill
Replace
Tightening
Inspect
parts
(bolt, nut)
System
Ignition system
Fuel supply
Compression
Mechanical fault
-
Fuel supply
Several systems may
simultaneously be
affected
Before
After
operation
fuelling
-
-
-
-
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
50h
(10h)
-
-
-
(Note1)
-
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23
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 posi-
tion, carburetor defec-
tive, fuel supply line
bent or blocked, fuel
dirty.
Cylinder bottom gasket
defective, crankshaft
seals damaged, cyl-
inder or piston rings
defective or improper
sealing of spark plug.
Broken starter spring,
broken parts inside of
the engine.
Carburetor contami-
nated, have it cleaned.
Incorrect idling adjust-
ment, carburetor
contaminated.
Fuel tank vent defec-
tive, fuel supply line
interrupted, cable or
STOP-switch faulty.
Air filter contaminated,
carburetor contami-
nated, muffler clogged,
exhaust duct in the
cylinder clogged.
200h
600h or
2 years
whichever
earlier
-
-
-
-
-
-
Before
storage
-
-
-