Arctic Cat Sno Pro 120 Service Manual page 132

37. Start and finger-tighten the remaining cap screws
being very careful not to move the cylinder head;
then tighten the cap screws in two steps to 25 ft-lb
using the pattern shown.
 NOTE: At this point, install the spark plugs; then
install the knock sensor with the new lock plate,
tighten the sensor to 17 ft-lb, and bend the lock plate
tabs up.
 NOTE: At this point, pressure test the engine (see
Section 3).
38. With the raised edge of the valve aligned with the
channel of the cylinder, slide the APV assemblies
into position in the cylinders; then secure with cap
screws. Tighten to 96 in.-lb.
39. Secure the stator plate to the crankcase with the
Allen-head cap screws (coated with blue Loctite
#243) and tightened to 96 in.-lb.
40. Route the stator harness through the opening in the
crankcase; then secure the stator to the stator plate
with the Allen-head cap screws (coated with blue
Loctite #243). Tighten to 96 in.-lb.
2-112
41. Secure the upper ignition timing sensor (white dot/
connector) with cap screws (coated with blue Loctite
#243). Tighten to 48 in.-lb; then install the wiring
grommet into the notch of the crankcase.
0742-200
42. Secure the lower ignition timing sensor with two cap
screws (A) (coated with blue Loctite #243). Tighten
to 48 in.-lb; then install the grommet. With the stator
harness properly positioned, install the plate and cap
screw (B) (coated with blue Loctite #243). Tighten to
48 in.-lb.
CM204
43. Install the key in the crankshaft.
44. Place the starter pulley in position on the flywheel;
then secure the starter pulley with three cap screws
and tighten only until snug. While holding the starter
pulley, slide the flywheel onto the crankshaft making
sure the keyways match.
CM143A
IO049A
CM177A