Arctic Cat Sno Pro 120, Service Manual

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3-12
746-121A

NOTE: To aid in draining the oil from the reservoir,
position a funnel between the reservoir and the open-
ing of the tunnel running board.
6. After the oil has drained completely, install the drain
plug with a new O-ring and tighten to 16 ft-lb.
7. Using Oil Filter Wrench, loosen (but do not remove)
the oil filter and allow the oil to drain from the filter
into the drain pan; then remove the filter.

NOTE: On the turbo models, the oil filter is accessi-
ble between the front opening of the chassis and the
lower intercooler hose.
8. Apply a light coat of fresh engine oil to the seal of
the new oil filter.
9. Install the new oil filter by turning the oil filter by
hand until the seal has contacted the oil filter mount-
ing surface; then tighten the oil filter to 15 ft-lb.
Remove the drain pan.
10. Pour 2.9 l (3 U.S. qt) of the recommended engine oil
into the oil reservoir.
11. Open the air bleed bolt located on the oil pump
(beneath the coolant tank) to purge air from the oil
hose.
PC016A

NOTE: When air can no longer be heard purging
from oil pump bleed, tighten the bleed bolt to 7.5 ft-lb.
12. Without starting the engine, place the handlebar
emergency stop switch to the RUN position and the
ignition switch to the ON position. The Oil Pressure
Warning Icon should illuminate immediately on the
standard gauge or after the three seconds on the pre-
mium gauge.

NOTE: If the warning icon does not illuminate, place
the ignition switch in the OFF position and repeat
step 11; then place the ignition switch in the ON posi-
tion and repeat step 12.
13. If the warning icon illuminates (from step 12), start
the engine. The warning icon should go out within
five seconds. If it does, let the engine run for 5-10
minutes; then proceed to step 14.

NOTE: If the warning icon does not go out, shut the
engine off immediately and repeat step 11; then place
the ignition switch to the ON position and repeat step
13.
14. Shut the engine off; then add oil to the oil reservoir
until oil is visible halfway up in the sight glass.
15. Install the access plate and torx-head screws beneath
the snowmobile; then install the hood and access
panels (see Access Panel/Hood - Removing/Install-
ing in the General Information section).
Changing Oil/Filter
(Bearcat/T-Series 1100
cc)
1. Using a putty knife, remove the belly pan plug.
2. Park the snowmobile on a level surface; then start the
engine and allow it to warm up for 10-15 minutes, or
if the snowmobile was operated, allow engine to idle
for approximately 30 seconds.
3. Shut the engine off; then place drain pans beneath both
engine oil drain plugs (crankcase and oil reservoir).
ZJ003A
CAUTION
Do not attempt to start the engine with the bleed bolt
open.
! WARNING
Care must be taken if a hot drain plug is removed by
hand. Burning could occur.