Arctic Cat Sno Pro 120 2011, Service Manual

Page: 110 / 535

2-72
0742-304
22. Noting the alignment dots, install the thermostat
housing with thermostat. Secure the housing with
cap screws and tighten to 96 in.-lb.
FC078A
FC073
23. With new gaskets, install the reed valve assemblies;
then secure the intake flanges to the crankcase.
Tighten in a crisscross pattern to 96 in.-lb.
24. Install the dowel pins into the crankcase; then place
the cylinder base gasket into position on the crank-
case.
25. Install the piston rings on each piston so the letter on
the top (inclined surface) of each ring faces the dome
of the piston.
726-306A
26. Apply oil to the connecting-rod small end bearings;
then install the small-end bearings. Install a washer
on each side of the connecting rod.
TZ068

NOTE: The shoulder side of the washer must seat to
the needle bearing.
FC075
27. Place each piston over the connecting rod so the indi-
cator dot on each piston will point toward the intake/
exhaust ports; then secure with an oiled piston pin.

NOTE: The indicator dot is found on the piston
dome top.
CAUTION
Incorrect installation of the piston rings will result in
engine damage.
Manual
Table of Contents