2001 Arctic Cat ATVs factory service and repair manual, Page 220Get this manual
Fig3-814
Inspecting 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 replacedMeasuring Camshaft to Cylinder Head Clearance
1Remove the adjuster screws and jam nutsFig3-817
Fig3-815
Fig3-818