Symptom: Engine Overheats Diagnosis procedures
1. Check CDI
igniter. 2. Check if
magneto flywheel
or trigger coil
looses.
Check if clutch slips.
Engine Overheats
Check improper operation method
1. Check if gasoline brand being used is too
low or the gasoline has been stored for a
too long time; 2. Check if engine runs at a
high speed for a very long time or
overloaded
Check cooling system
Air cooling the engine
Check if radiator plates are covered by mud, greasy oil or sand,
Clean Check if cooling fan or wind scooper is damaged
(forced air cooled engine)
Check and solve it
Use an ignition timing lamp to
check ignition timing of engine
Yes No
Yes No
No. Yes
Yes No
Yes No
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