Arctic Cat 650 Twin2004 Service Manual page 78

7. Install the rear camshaft (A) identified by the
groove (B).
8. Direct the arrow (A) of the rear camshaft upward
(left side view); then engage the rear camshaft
sprocket with the chain aligning the index marks
(B) with the cylinder head upper surface.
9. Release the ratchet (A) and press the push rod (B)
into the camshaft chain tensioner body; then install
on the rear cylinder and tighten the cap screws to
0.9 kg-m (78 in.-lb).
ATV2101
10. Install pin (A), spring (B), washer (C), and chain
tensioner cap bolt (D); then tighten cap bolt to 2.2
kg-m (16 ft-lb).
KX363
11. Apply clean engine oil to the camshaft; then apply
a thin coat of Three Bond Sealant (p/n 0636-070)
(A) to the outer surface of the cap and the upper
surface of the cylinder head.
ATV2102
12. Install the valve cover making sure that the rocker
arms and adjuster screws do not have pressure on
them; then tighten the valve cover cap screws as
follows: 1-4 with washers, 0.9 kg-m (78 in.-lb); 5
and 6, 1.0 kg-m (87 in.-lb); (A) 1.0 kg-m (87
in.-lb). Use the illustrated tightening sequence for
cap screws 1-6.
KX364
3
KX365
ATV2103
3-49