2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 144Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 144

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Cylinder block
Checking the connecting rod big end side clearance

1 Measure the connecting rod big end side clearance a

Piston pin diameter: 15.99516.000 mm (0.62970.62