Arctic Cat 1000 XT 2014 Service Manual page 53

2. The lobe heights must be greater than minimum
specifications.
Inspecting Camshaft Bearing
Journal
1. Inspect the bearing journal for scoring, seizure marks,
or pitting.
2. If excessive scoring, seizure marks, or pitting is found,
the cylinder head assembly must be replaced.
Measuring Camshaft to Cylinder
Head Clearance
1. Remove the adjuster screws and jam nuts.
2. Place a strip of plasti-gauge in each of the camshaft
lands in the cylinder head.
3. Place the valve cover on the cylinder head and secure
with the valve cover cap screws. Tighten securely.

NOTE: Do not rotate the camshaft when measuring
clearance.
4. Remove the cap screws securing the valve cover to the
cylinder; then remove the valve cover and camshaft.
5. Match the width of the plasti-gauge with the chart
found on the plasti-gauge packaging to determine
camshaft to cylinder head and valve cover clearance.
ATV1013A
6. If clearance is excessive, measure the journals of the
camshaft.

NOTE: If the journals are worn, replace the cam-
shaft; then measure the clearance again. If it is still
out of tolerance, replace the cylinder head.
Inspecting Camshaft Spring/Drive
Pin (Front Camshaft Only)
1. Inspect the spring and drive pin for damage.
CC005D
CC145D
CC287D
CF061A
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