POWR
Power unit
5-5
62Y3A11
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.
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