25
1. Circuit
High
-pressure
wire
or
ignition loop leaks electricity
Ignition contacts badly
There
are
too
many
accumulated carbons between
electrodes of spark plug
TCI has been burned or hit
Change
Unblock
Eliminate
accumulated
carbon
Change
2. Air routine
Air valve clearance is
wrong
Air valve seat has been
damaged
Air valve spring has been
tired or broken
Adjust
to
regulated
clearance
Change
Change
Engine works
abnormally
3. Oil routine
Oil quantity in gasoline is
too few
Gasoline filter has been
blocked
Carburetor
has
been
blocked
Add gasoline
Eliminate
Remove
