2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 144Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 144

4After installing the guide, use the standard valve guide reamer to remove all burrs and tight areas that may remain in each
Cutter Purpose: Reduce seat width tospecificaiion Lap Valve Tool: Purpose: Valve lapper, grinding compound Perfectly match
valve and seat area; check valve head for damage NOTE: Do not grind the valvesIf valve is damaged, it must be replaced 1Remove
all carbon from the valvesATV-0107 2Lubricate each valve stem with light oil; then apply small amount of valve lapping compound
to the entire seating face of each valve3Attach the suction cup of valve lapping tool to the head of the valve 4Rotate the
valve until the valve and seat are evenly polished5Clean all compound residue from the valve and seatE u Grinding Valve Seats
NOTE: If the valve seat is beyond servicing, the cylinder head must be replaced 1Insert an exhaust valve seat pilot shaft