Arctic Cat Sno Pro 120 Service Manual page 127

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 pattern shown.
13. 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. 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.
Be very careful not to damage the seals when installing
the oil pump driveshaft. Twist the driveshaft clockwise
as it enters the seal area and while pushing it through
the seals.
CM036A
15. Rotate the oil-injection pump/water pump driveshaft
while carefully pushing it through the oil and water
pump seals until the driveshaft and crankshaft gears
CM166
engage; then remove the oil seal protector tool (A)
from the end of the shaft.
16. Position the shim (A) on the oil-injection pump end
of the driveshaft; then install the oil-injection pump
retainer (B) with a new O-ring.
742-198A
CAUTION
2
FS191
IO025A
IO026A
2-107