62Y5A11
9-6
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(Ignition system)
(Compression pressure)
Check the ignition spark gap using the spark gap tester.
Out of specifi-
cation?
Replace the spark plug.
Check the ignition system out-
put peak voltage.
Yes
No
Is there air
intake?
Replace the respective seals.
Check the compression pres-
sure of the combustion chamber.
No
Yes
Check that there is no secondary air intake on the contact surfaces of
the intake manifold and crankcase.
Power unit
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