2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 43Get this manual
Measuring Cylinder Head Distortion
1Remove any carbon buildup in the combustion chamber2Lay straightedge across the cylinder head; then using feeler gauge, check the distortion factor between the head and the straightedge3Maximum distortion must not exceed specifications
Inspecting Cam Chain Guide
1Inspect cam chain guide for cuts, tears, breaks, or chips2If the chain guide is damaged, it must be replaced
Honing Cylinder