7.16
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
16. Inspect all the rollers, bushings, and roller pins by
pulling a flat metal rod across the roller.
17. The roller can also be inspected by rolling with a
finger to feel for flat spots, roughness, or loose
bushing.
NOTICE
The flyweight bushing is not replaceable. If the flyweight
bushing is damaged, the flyweight, pin, and nut will
need to be replaced.
18. Inspect to see if the roller and bushing are separating.
19. The bushing must fit tightly in the roller.
20. Replace the roller and pin if roller fails to roll smoothly
(no flat spots) or if the bushing is loose or worn.
ROLLER REMOVAL
q
Spider
r
Shim
w
Button
t
Roller
e
Roller Pin
y
Washers
1. With the spider in a vise start removing the spider
buttons by drilling a 0.18" hole in the center of a
button on one side of the spider.
2. Place a pin punch through the drilled hole in the
button and drive the opposing button and pin out.
3. Remove shims (if any are installed) and note their
location.
4. Flip the spider over and tap out the holed button.
5. Perform the steps on the remaining spider legs.
NOTICE
When required, button shims are installed on the trailing
(right) side of the spider leg as viewed from the front of
the spider.