2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 346Get this manual

2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 346

TRBL SHTG
Troubleshooting

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

Replace the respective seals
Check the compression pressure of the combustion chamber
Symptom: The engine idle speed is not steady, but increases or decreases Check the intake manifold Check the air intake system Check the ignition systemCheck the operation of the throttle cable and throttle link

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