2010 Arctic Cat Prowler XT/XTX/XTZ ATV Service Manual, Page 46Get this manual
3Inspect the cylinder for pitting, scoring, scuffing, and corrosionIf marks are found, repair the surface using #320 grit ball honeNOTE: To produce the proper 60 cross-hatch pattern, use low RPM drill (600 RPM) at the rate of 30 strokes per minuteIf honing oil is not available, use lightweight petroleum-based oilThoroughly clean cylinder after honing using soap and hot waterDry with compressed air; then immediately apply oil to the cylinder boreIf the bore is severely damaged or gouged, replace the cylinderATV1013A
2The lobe heights must not exceed minimum specificationsInspecting Camshaft Bearing Journal 1Inspect the bearing journal for scoring, seizure marks, or pitting2If excessive scoring, seizure marks, or pitting is found, the cylinder head assembly must be replacedCC390D
Measuring Camshaft to Cylinder Head Clearance 1Remove the adjuster screws and jam nuts
4If any measurement exceeds the limit, replace the cylinder and pistonMeasuring Camshaft Runout