2004 650 Twin Arctic Cat ATV Service Manual, Page 53Get this manual

2004 650 Twin Arctic Cat ATV Service Manual, Page 53

2Rotate the camshaft and note runout; maximum tolerance must not exceed specificationsMeasuring Camshaft Lobe Height 1Using
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 nuts NOTE:
Tighten cap screws 1-4 with washers to 0.9 kg-m (78 inlb), cap screws 5-6 to 1.0 kg-m (87 inlb), and cap screws (A) to 1.0
kg-m (87 inlb)NOTE: Do not rotate the camshaft when measuring clearance 4Remove the cap screws securing the valve cover to