2006 Arctic Cat DVX 400 Service Manual, Page 55Get this manual
4Match the width of the plastigauge with the chart found on the plastigauge packaging to determine camshaft to cylinder head journal clearance ATV1013A
2The lobe heights must not exceed minimum specificationsInspecting Camshaft Bearing Journal
ATV2161
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
5If clearance is excessive, measure the journals of the camshaft
1Place strip of plastigauge in each of the camshaft lands in the cylinder head2Install the camshaft journal caps on the cylinder head and secure with the cap screwsTighten to specifications (see Section 10)