2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 88Get this manual
ATV-1004
NOTE: The valve seals must be replaced
2Acceptable width range must be within specifications
3Remove the valve springs; then invert the cylinder head and remove the valves
Measuring Valve Face Radial Runout
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
Measuring Valve Stem Runout
1Support each valve stem end with the Blocks; then check the valve stem runout using dial indicator
ATV-1082