Yamaha F200C Service Manual page 305

Ignition system
Check the ignition spark gap using the spark gap tester.
Out of
specification?
Yes
Replace the spark plug.
Replace the ignition coil.
Compression pressure
Check that there is no secondary air intake on the contact surfaces of
the intake manifold and crankcase.
Is there air
intake?
No
Check the compression pres-
sure of the combustion chamber.
69J1D11
No
Check the ignition system out-
put peak voltage.
Out of
specification?
Yes
Check the ignition coils resist-
ence.
Yes
Out of
specification?
Yes
Replace the respective seals.
Power unit
Check the ignition
No
system using the
Yamaha Diagnostic
System.
Check the ignition
No
system using the
Yamaha Diagnostic
System.
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