Arctic Cat Sno Pro 120 2011, Service Manual

Page: 210 / 535

3-31
3
0743-777
2. Lift the rear of the console and disconnect the con-
sole/main harness plug-in; then remove the console.
3. Remove the springs securing the expansion chamber;
then remove the expansion chamber from the engine
compartment. Account for the two exhaust gaskets.
4. On the LXR Sno Pro with the seat adjusted to its
lowest position, remove the self-tapping screw from
the right-side seat adjustment track; then remove the
seat.
ZJ100A
5. Remove the torx-head screws securing the handlebar
close-off panel; then remove the panel.
6. Remove the lock nuts and torx-head cap screws (A)
securing the right-side front and rear spar panels; then
remove the torx-head screws (D) securing the left-side
rear spar panel to the gas tank and support tube.
742-207A

NOTE: The right-side rear spar panel will remain
secured to the chassis.
7. Remove the cap screw located directly above the
ECU securing the air-silencer duct to the front upper
panel; then disconnect the air temperature sensor and
remove the duct.

NOTE: To aid in accessing the cap screw, the ECU
may be removed.
8. Remove the body screws and flange nuts (C) from
each side securing the front bumper assembly to the
chassis; then remove the two remaining self-tapping
screws (B) from each side securing the front bumper
assembly. Remove the assembly.

NOTE: At this point, remove the air silencer and
account for the rubber exhaust bumper.
CLEANING AND INSPECTING
1. Check for holes or cracks in the silencer.
2. Periodically clean the silencer by blowing fresh air
through it.
3. Inspect the silencer dual intake boot and seals for
cracks or wear.
INSTALLING
1. Install the air silencer onto the throttle bodies making
sure the dual intake boot is properly positioned and
seated.

NOTE: To aid in installing the air silencer, it can be help-
ful to remove the air silencer cover and work the intake
boot over the throttle body from inside the silencer.
FS201A
2. Place the front bumper assembly (with spar panels) into
position on the snowmobile; then secure the front and
rear spar panels together with the torx-head cap screws
and lock nuts (A). Tighten the lock nuts securely.
Manual
Table of Contents