2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 143Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 143

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Power unit

Piston ring end gap (reference data): Top ring: 0.150.30 mm (0.00590.0118 in) 2nd ring: 0.250.4 mm (0.00980.0157 in) Oil ring: 0.20.7 mm (0.00790.0276 in) Measuring point (refe