Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 186Get this manual

Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 186

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CRANKCASE, CRANKSHAFT AND CAMSHAFT

Piston-to-cylinder clearance: 0.0350.065 mm (0.00140.0026 in) Piston pin inspection 1 Measure: 9 Piston pin outside diameter Out of specification Replac