Servicing Top-Side Components - Arctic Cat 450 XC 2011 Service Manual

C. Cylinder
D. Piston
 NOTE: Steps 1-10 in the preceding sub-section
must precede this procedure.
11. Remove the two nuts securing the right side of the
cylinder to the right-side crankcase half.
12. 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.
AT THIS POINT

To service cylinder, see Servicing Top-Side Compo-
nents sub-section.
CAUTION
When removing the cylinder, be sure to support the
piston to prevent damage to the crankcase and piston.
30
13. Using an awl, remove one piston-pin circlip. Take
care not to drop it into the crankcase.
FI621
14. Using Piston Pin Puller, remove the piston pin.
Account for the opposite-side circlip. Remove the
piston.
 NOTE: It is advisable to remove the opposite-side
circlip prior to using the puller.
FI622A
 NOTE: Support the connecting rod with rubber
bands to avoid damaging the rod or install a connect-
ing rod holder.
Do not allow the connecting rod to go down inside the
crankcase. If the rod is down inside the crankcase and
the crankshaft is rotated, severe damage will result.
To service piston, see Servicing Top-Side Components
sub-section.
To service center crankcase components only, proceed
to Removing Left-Side Components.
FI624A
Servicing Top-Side
 NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
Manual
Table of Contents
CAUTION
AT THIS POINT

AT THIS POINT

Components
FI625
MD1219