2008 Arctic Cat ATVs factory service and repair manual, Page 217Get this manual
3Remove the valve springs; then invert the cylinder head and remove the valves Measuring Valve Stem Runout 1Support each valve stem end with the Blocks; then check the valve stem runout using dial indicator
ATVI 082A
3Rotate the valve in the blocks
4Maximum mnout must not exceed specificationsMeasuring Valve GuideiValve Stem Deflection (Wobble Method)
ATV-1082
2Maximum mnout must not exceed specificationsMeasuring Valve Stem Outside Diameter 1Using micrometer, measure the valve stem outside diameter2Acceptable diameter range (intake valve) must be within specifications
1Mount dial indicator and base on the surface plate; then place the cylinder head on the surface plate