2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 77Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 77

Measuring Rocker Arm (Inside Diameter) 1Using dial calipers, measure the inside diameter of the rocker arm2Acceptable inside
place lower spring seat and valve guide seal over each valve guide Lapping Valves NOTE: Do not grind the valvesIf valve is
damaged, it must be replaced 2Insert each valve into its original valve location3Install the valve springs with the painted
end of the spring facing away from the cylinder headNOTE: If the painted end is not visible, install the ends of the springs
with the closest coils toward the head 1Remove all carbon from the valves 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