Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 226Get this manual

Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 226

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OIL PUMP
To ensure an even surface, rotate the cylinder head several timesa Oil pump inspection 1 Measure: Clearances a, b, and Out of specification Replace the oil pumpClearance: a: 0.100.15 mm