2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 214Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 214

Valve SeatGuide Servicing Flovv 2Insert an intake valve seat pilot shaft into one of the intake valve guidesSlide the intake
check valve head for damage 1Remove all carbon from the valvesATV-0107 Grinding Valve Seats NOTE: If the valve seat is beyond
servicing, the cylinder head must be replaced 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
valve4Rotate the valve until the valve and seat are evenly polished5Clean all compound residue from the valve and seatMeasuring
Rocker Arm (Inside Diameter) 1Using dial calipers, measure the inside diameter 1Insert an exhaust valve seat pilot shaft
into an exhaust valve guideSlide an exhaust valve seat grinding tool onto the pilot shaft; then using light on driver handle
and deep socket, gnnd the exhaust valve seat until within specifications NOTE: Repeat procedure on the remaining exhaust