2008 Arctic Cat ATVs factory service and repair manual, Page 115Get this manual
Measuring Valve Face Radial Runout
2Acceptable inside diameter range must be within specifications3If valve guide is out of tolerance, it must be replacedServicing ValvesNalve GuidesNalve Seats
1Mount dial indicator on the surface plate; then place the valve stem on set of blocks2Position the dial indicator contact point on the outside edge of the valve face; then zero the indicator
If valves, valve guides, or valve seats require servicing or replacement, Arctic Cat recommends that the components be taken to qualified machine shop for servicing
A CAUTION
If valves are discolored or pitted or if the seating surface is worn, the valve must be replacedDo not attempt to grind the valves or severe engine damage may occur
ATVI 082A
Measuring Rocker Arm (Inside Diameter)