Servicing Left-Side Components; Starter Clutch - Arctic Cat DVX 400 2004 Service Manual

2. The lobe heights must not exceed minimum specifi-
cations.
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. Place a strip of plastigauge in each of the camshaft
lands in the cylinder head.
2. Install the camshaft journal caps on the cylinder head
and secure with the cap screws. Tighten to specifica-
tions.
NOTE: Do not rotate the camshaft when measur-
ing clearance.
3. Remove the cap screws securing the journal caps to
the cylinder head; then remove the journal caps and
camshafts.
4. Match the width of the plastigauge with the chart
found on the plastigauge packaging to determine
camshaft to cylinder head journal clearance.
5. 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/Automatic
Decompression Assembly
1. Move the automatic decompression weights by hand
to check for freedom of movement. If the weights do
not move smoothly or bind, the camshaft must be
replaced.
ATV2160
2. If damaged, the camshaft must be replaced.
Servicing Left-Side

STARTER CLUTCH

To replace the starter clutch, use the following procedure.
1. Hold the rotor/flywheel using a 27 mm offset
wrench; then remove the six Allen-head cap screws
securing the starter clutch housing.
ATV2161
Components
ATV2162
SP206
21