Arctic Cat Sno Pro 120 2011, Service Manual

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TZ068
9. Install piston pin bearing washers on each side of the
bearing with the shoulder side facing the bearings.

NOTE: The shoulder side of the piston pin bearing
washers must face the bearing.
MD0251
10. Place pistons over the connecting rods with the
arrow (or indicator dot) pointing toward the exhaust
port; then secure with an oiled piston pin. Install new
piston pin circlips with the open ends up or down.
MD0293

NOTE: To aid in the circlip installation, install the
circlip to the inside of the piston before installing the
connecting rod.
MD0248
11. Place the cylinder base gasket into position on the
crankcase making sure the gasket is properly oriented
so the dowel pins will fit through the holes easily.
12. Rotate each piston ring until the ring ends are prop-
erly positioned with the pins in the ring grooves; then
apply oil to the piston assemblies and cylinder bores.
Using a ring compressor or the fingers, compress the
rings and slide the cylinder over the piston. Seat the
cylinder firmly onto the crankcase.
MD0229
13. Secure each cylinder by installing the four 6 mm and
eight 10 mm nuts. Tighten the 10 mm nuts in a criss-
cross pattern to 44 ft-lb and the 6 mm nuts to 96 in.-lb.
CAUTION
Make sure the new circlips are firmly seated in their
grooves and the open ends are pointed up or down
before continuing with assembly.
CAUTION
The cylinders should slide on easily. DO NOT force them
on or component damage may occur.
Manual
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