Arctic Cat 2016 Alterra 500 Service Manual page 35

FI607A
FI608
4. Bend the washer tabs and remove the two cap screws
securing the sprocket to the camshaft.
FI612
5. Using an awl, rotate the C-ring in its groove until it is
out of the cylinder head; then remove the C-ring.
FI613

NOTE: Care should be taken not to drop the C-ring
down into the crankcase.
34
MD1131
6. Noting the timing marks for installing purposes, drop
the sprocket off the camshaft. While holding the cam
chain, slide the sprocket and camshaft out of the cyl-
inder head. Account for an alignment pin.

NOTE: Loop the chain over the cylinder and secure
it to keep it from falling into the crankcase.
FI620
FI617A
7. Remove the cam chain tensioner pivot bolt and
remove the chain tensioner; then remove the two
nuts securing the cylinder head to the cylinder.