Arctic Cat 2016 Alterra 500 Service Manual page 71

CD211A
5. Loosen the cap screw on the end of the tensioner;
then remove the two cap screws securing the ten-
sioner adjuster assembly and remove the assembly.
Account for a gasket.
CC009D
6. Using an awl, rotate the C-ring in its groove until it is
out of the cylinder head; then remove the C-ring.

NOTE: Care should be taken not to drop the C-ring
down into the crankcase.
CC012D
7. Bend the washer tabs down and remove the two cap
screws securing the sprocket to the camshaft; then
drop the sprocket off the camshaft.
70
CC013D
8. While holding the chain, slide the sprocket and cam-
shaft out of the cylinder head.

NOTE: Loop the chain over the cylinder and secure
it to keep it from falling into the crankcase.
FI620
9. Remove the cap screw securing the chain tensioner
(account for a washer); then remove the tensioner.
FI617
10. Remove the five nuts securing the cylinder head to
the cylinder.