Polaris MS4000 Service And Owner's Manual page 418

ENGINE
19. Once the gears are pressed together, firmly hold the gears
together with one hand. Carefully remove the Tapered Pins
(PU-45497-1) by pulling them out one at a time with the
other hand.
20. After the tapered pins are removed, be sure the cam gear
assembly is held together tightly. Place the cam gear
assembly on a flat surface. Use the Cam Gear Tooth
Alignment Tool (PU-45497-2) to align the teeth of the cam
gears, as shown in the picture.
NOTE: Install the Cam Gear Alignment Tool (PU-
45497-2) into one assembly hole counter clockwise
from the timing mark.
NOTE: For ease of
Alignment Tool (PU-45497-2), use a twisting motion
when pushing down on the tool.
3.40
PU-45497-2
installing the Cam
21. To remove the balance shaft gear, the flat side of the
camshaft (P) must face the balance shaft gear. To rotate the
camshaft, use the Cam Spanner Wrench (PU-45498) to
rotate the camshaft so the flat side of the camshaft faces the
balance shaft gear.
PU-45498
NOTE: This Cam Spanner Wrench (PU-45498) is
only needed to rotate the camshaft when the entire
valve train is assembled.
removed, the cam-shaft can be turned by hand.
22. Remove the bolt and nut from the balance shaft gear. Try
to remove the balance shaft gear. If the gear does not come
off manually, use the Flywheel Puller (PN 2871043) to
remove the balance shaft gear.
Gear
P
If the rocker arms are
2871043