Arctic Cat Sno Pro 120 2011, Service Manual

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11. With a light film of engine oil applied to the tappets,
install the correct shim (A) and tappet (B) to each
valve being adjusted.
ZJ083A

NOTE: Prior to installing the camshaft, apply
engine-assembling grease to the camshaft journals
and lobes.
12. With the crankshaft rotated to the top-dead-center
position, place the cam chain over the sprocket of the
exhaust camshaft.

NOTE: The exhaust camshaft must be installed first.

NOTE: When installing the cam chain to the gear of
the exhaust camshaft, position the chain so no slack
between the crankshaft gear and exhaust camshaft
exists when the camshaft is installed. All slack in cam
chain must be on the side of the tension adjuster.
ZJ084
13. With the timing marks (A) on the face of the exhaust
camshaft gear properly aligned, place the camshaft
into position on the cylinder head.
0741-801
14. With the cam chain properly seated to the gears of
the crankshaft and exhaust camshaft, install the
intake camshaft noting that the timing marks (B) are
properly aligned.

NOTE: With the camshafts and cam chain in place,
there should be exactly 16 pins from intake cam mark
3 to exhaust cam mark 2.
741-780A
15. Install the cam chain tensioner adjuster by first com-
pressing the locking clip; then by pushing in the ten-
sioner shaft until completely compressed.
ZJ085A
16. Install the tensioner and secure with two Allen-head
cap screws (B); then tighten to 84 in.-lb. Install the
ball, spring, and tensioner bolt (A) and tighten to 18
ft-lb.
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