Generic Trigger X 50ccm Owner's Manual page 13

Improper gyration (impotent velocity)
Troubleshooting
Engine revolution
Winding number
unable to increase
of engine
completely
increases
Correct ignition
Incorrect
time
time
Normal compression
pressure Compression pressure is too low
No clog Clogged
No pollution and no
With
and discoloration
discoloration
Normal mobile
Too
oil level
mobile oil
Normal
Without superheat
No phenomenon With phenomenon
of detonation of detonation
Start the engine
and
accelerate
Adjust
timing
ignition timing light
ignition
Bad
adjustment
Clog inspection of carburetor
Dismantle the spark plug and re-inspect
pollution
Check
mobile oil in crankcase is
too much or polluted
much
Inspect the lubrication of
air cylinder head
Abnormal
Engine overheat
Overheating
Accelerated
operation
Tune-up inspection
slightly
ignition
and use
timing
whether the
drive or
- 12 -
Failure cause
Air cleaner clogged
Bad gasoline
Conduit clog of evaporation control
system of firing chamber
Exhaust pipe clogged
Auto choke is bad
Carburetor vacuum module is broken
Auto oil ring is broken
CDI group is broken
Trigger is broken
Air cylinder piston and piston ring are
broken
Cylinder head leaks
Cleaning contamination
Cleaning contamination
Discrepancy of spark-plug heat value
Too much mobile oil
Too little mobile oil
No change of mobile oil
Piston，cylinder wear
Piston，cylinder wear
Bad gasoline
Too much carbon laydown in combustion chamber
Too early ignition time
Too much carbon laydown in combustion chamber
Bad gasoline
Slipping of clutch
Tenuity of gas mixture
Too early ignition time