Yamaha F225A Service Manual page 349

Does the
engine start?
Yes
Check the condition of the spark
plugs again.
Wet spark plugs?
Yes
Check the fuel system.
69J3D11
No
Check the compression pres-
sure of the combustion chamber.
Out of
specification?
No
Failure in starting operation
No
Failure in starting operation
Adjust the valve
clearance.
Power unit
Yes
Check the valve
clearance.
Yes
Out of
specification?
No
Check the cylinder head, cylin-
der body, and piston assembly.
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