Arctic Cat 2012 DVX 90 Service Manual page 20

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7. Remove the camshaft from the cylinder head and
secure the cam chain to prevent it falling into the
crankcase.
CAUTION
Do not rotate the crankshaft without keeping tension on
the cam chain or engine damage could occur.
AT THIS POINT

To service valves and cylinder head, see Servicing Top-
Side Components sub-section.
8. Remove the cam chain guide.
AT THIS POINT

To inspect cam chain guide, see Servicing Top-Side
Components sub-section.
C. CYLINDER
D. PISTON
 NOTE: Steps 1-8 in the preceding sub-section must
precede this procedure.
9. Remove the two cap screws from the left side of the
cylinder head; then remove the cylinder head.
Account for two alignment pins and remove and dis-
card the cylinder head gasket.
www.mymowerparts.com
YT168A
10. Lift the cylinder off the crankcase taking care not to
allow the piston to drop against the crankcase.
Account for the gasket and two alignment pins.
To service cylinder, see Servicing Top-Side Compo-
nents sub-section.
When removing the cylinder, be sure to support the pis-
ton to prevent damage to the crankcase and piston.
11. Remove the cam chain tensioner pivot bolt; then
remove the chain tensioner.
YT112
12. Using a needle-nose pliers, remove the circlip secur-
ing the piston pin in the piston; then remove the pis-
ton pin and piston. Take care not to drop the circlip
into the crankcase.
Manual
Table of Contents
AT THIS POINT

CAUTION
YT109B
YT110A
YT114A
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