Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 232Get this manual

Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 232

CAMSHAFT AND VALVES
SERVICE POINTS

Valve inspection 1Measure: Valve guide inside diameter Out of specification Replace the valve guideValve guide inside diameter: 5.5005.512 mm (0.21650.2170 in) 2Measure: Valve seat width Out of specification Reface the valve seatValve seat width0.60.8 mm (0.020.03 in)

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