1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 121Get this manual

1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 121

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CYLINDER HEAD AND CYLINDER 5E011

Do not use sharp instrumentAvoid damaging or scratching the surface
4 Eliminate:

Carbon deposits (from the piston crown and ring groove