The engine overheat failure diagonosis procedure
Check if the operation method is proper
1. Check if the fuel No. is too low
or the fuel is out of date
2. Check if the engine runs at high
speed or overload for a long time
Check if the cooling fins are stained with silt or too much oil
Check if the cooling fans and
wind scoop break (compulsive
air cooled engine)
Use ignition timing light to test
whether engine ignition is timing
1. Check if the CDI
ignition apparatus
fails
2. Check if the
magneto flywheel
and trigger winding
loosen
Check if the clutch slips
To treat the clutch
slip failure
accordingly
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