2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 63Get this manual

2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 63

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VALVE SEAT RECONDITIONING

Cylinder Head Reconditioning NOTE: If valve guides are replaced, valve seats must be reconditionedRefer to Valve Seat Reconditioning for procedureNOTE: Servicing