Symptom: Engine Overheats Diagnosis procedures
1. Check CDI
igniter. 2. Check if
magneto flywheel
or trigger coil
looses.
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 if radiator plates are covered by mud, greasy oil or sand,
Check if cooling fan or wind scooper is damaged
(forced air cooled engine)
Use an ignition timing lamp to
check ignition timing of engine