2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 38Get this manual
VALVE ASSEMBLY When servicing valve assembly, inspect valve seats, valve stems, valve faces, and valve stem ends for pits, burn marks, or other signs of abnormal wearNOTE: Whenever valve is out of tolerance, it must be replaced
CleaningInspecting Valve Cover
NOTE: If the valve cover cannot be trued, the cylinder head assembly must be replacedCC032D
1Wash the valve cover in parts-cleaning solvent2Place the valve cover on the Surface Plate covered with #400 grit wet-or-dry sandpaperUsing light pressure, move the valve cover in figure eight motionInspect the sealing surface for any indication of high spotsA high spot can be noted by bright metallic finishCorrect any high spots before assembly by continuing to move the valve cover in figure eight motion until uniform bright metallic finish is attained
14Using the Piston Pin Puller, remove the piston pinAccount for the opposite-side circlipRemove the pistonNOTE: It is advisable to remove the opposite-side circlip prior to using the puller
CAUTION
Do not remove an excessive amount of the sealing surface or damage to the camshaft will resultAlways check camshaft clearance when resurfacing the valve cover