2007 Arctic Cat ATVs factory service and repair manual, Page 132Get this manual
3If valve guide is out of tolerance, it must be replacedServicing ValvesNalve GuidesNalve Seats
If valves, valve guides, or valve seats require servicing or replacement, Arctic Cat recommends that the components be taken to qualified machine shop for servicingA 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
ATV1082A
3Rotate the valve in the blocks
4Maximum mnout must not exceed specificationsMeasuring Valve GuideNalve Stem Deflection (Wobble Method)
Measuring Rocker Arm (Inside Diameter)
1Mount dial indicator and base on the surface plate; then place the cylinder head on the surface plate2Install the valve into the cylinder head; then position the dial indicator contact point against the outside edge of the valve faceZero the indicator
1Using dial calipers, measure the inside diameter of the rocker arm2Acceptable inside diameter range must be within specificationsMeasuring Rocker Arm Shaft (Outside Diameter)