Disassembling - Arctic Cat Sno Pro 120 2013 Service Manual

9. At this point, scribe a line at the front of the engine
and measure the distance between the crankshaft
and the driveshaft. Record the measurement for
installing purposes.
10. Lay the snowmobile on its side.
 NOTE: A piece of cardboard should be used to protect
the finish.
11. Using a flat-blade screwdriver, remove the four
belly pan plugs covering the engine mounting cap
screws; then remove the cap screws and lock nuts.
 NOTE: The front center plug is to access the oil drain
plug.
12. Place the snowmobile in the upright position; then
on the left-hand side of the engine, remove the
three cap screws securing the engine and brake
bracket to the front end.
8
13. Remove the engine from the engine compartment.

Disassembling

1. Remove the oil drain plug and drain the oil; then
install the oil plug and tighten securely.
A048
2. Remove the cover from the air cleaner case; then
disconnect the breather hose and remove the filter
and retaining plate.
 NOTE: The retaining plate is directional.
IO061A
3. Remove the two cap screws securing the air
cleaner case to the intake tube; then remove the
cap screw and lock nut securing the case to the
throttle cable bracket, remove the air cleaner case
and account for the intake tube gasket.
IO062A
IO063
IO056A
IO064A