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2. Electric
system
There
are
many
accumulated carbons on
spark plug
Insulation body of spark
plug has been damaged.
Ignition loop has been
damaged
TCI ignition device has
been damaged
Magnetoelectric machine
has been damaged
Storage cell feedbacks
electricity
Eliminate
accumulated
carbons and use gasoline
to wash
Change spark plug
Change
Change
Repair or Change
Repair or Change
Start
difficultly or
could not start
Bad
idling
speed
of
engine
3. Air route
Spark plug leaks air
Combined
surface
of
cylinder cover or cylinder
body leaks air
Crankcase leaks air
Piston ring or cylinder
body has been damaged
heavily
Piston ring has brok
en or
blocked
Air exhaust is bad, muffler
has been blocked
Blending air is too dense or
thin
Screw spark plug
Clean plane, install
plane and screw nuts
Disassemble box body,
change gasket and screw
bolts
Change piston loop or
cylinder body
Clean
or
Change
piston loop
Clean and unblock
Adjust carbureter
