Arctic Cat Sno Pro 120 2011, Service Manual

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2-94

NOTE: To check the bearing for proper position,
place the point of a sharp tool into the dimple found
in the bearing race. Strike the tool with the palm of
the hand in either direction. If the bearing moves, it
isn’t positioned correctly and must be rotated until it
drops onto the retaining pin.
9. Position the two center seal rings with their end gaps
180° apart (up on one and down on the other); then
apply a thin coat of High-Temp Sealant to the entire
bottom half of the crankcase sealing surface.
CM036A
CM166

NOTE: Use only Arctic Cat High-Temp Sealant to
seal the crankcase halves.
10. Assemble the crankcase halves making sure the
crankshaft gear and oil-injection pump driveshaft
gears mesh. Rotate the crankshaft one full turn to
align the crankshaft gear and pump driveshaft.
11. Install the crankcase cap screws securing the crank-
case halves.
12. Tighten cap screws (1-10) in two steps from 13 ft-lb
to 31 ft-lb using the appropriate pattern shown.
742-198A
742-197A
13. On the 800 cc, tighten cap screw (11) to 96 in.-lb;
then turn the engine right-side up and tighten cap
screws (12-15) in two steps to 25 ft-lb.
14. On the 1000 cc, tighten cap screws (11-13) in two
steps to 96 in.-lb; then turn the engine right side up
and tighten cap screw (14) to 96 in.-lb.

NOTE: To protect the connecting rods and crank-
case, install rubber hoses to the rods.
15. Apply a thin coat of grease to the sealing surface of
the oil-injection pump/water pump driveshaft; then
place the Oil Seal Protector Tool at the end of the
shaft.
FS191
CAUTION
If the bearings are not properly seated during assembly,
the crankcase halves will not seal tightly and severe
engine damage will result.
CAUTION
Be very careful not to damage the seals when installing
the oil pump driveshaft. Be certain to use the seal pro-
tector tool. Twist the driveshaft clockwise as it enters
the seal area and while pushing it through the seals.
800 cc
1000 cc
Manual
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