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The engine doesn’t start
or the motorcycle
breaks down:
1. when the compression
pressure, the
carburettor,
high-pressure coil
discharge all are
normal but the spark
isn’t
1. The ignition plug
carburized and is dirty;
2. The interval between the
electrodes of the ignition
plug isn’t proper;
3. The insulating part of the
ignition plug is damaged
and has resulted in a short
circuit.
1. Decarburize the ignition
plug and rub off the dirt
on it;
2. Adjust the interval to
make it conform to the
standard;
3. Replace the ignition
plug.
Ignition system
1. when the compression
pressure and the
carburettor work well,
the high-pressure coil
discharge, but the
ignition plug doesn’t
discharge properly
1. The high-pressure coil
joint is dropped or burned;
2. The CDI ignition
electronic induction
components are broken.
1. Reconnect the joint or
replace the coil.
2. Replace the broken
components.
