Polaris 850 PRO-RMK 155 2.6" QD 2021, Manual

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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
QUICKDRIVE DRIVE BELT / SPROCKET
REMOVAL
CAUTION
Exhaust components may be hot. Allow exhaust
system to cool.Avoid pinch points between sprockets
and brake disc.
NOTICE
The drive belt and both sprockets must be removed as
an assembly. DO NOT pry the belt off of the sprockets.
1. Place a protective mat on the floor. Remove the right
side engine compartment door. Tip snowmobile onto
its left side.
2. Remove the plastic rivet securing the fender to the
console. Bend the fender behind the foot rest support
with a shop towel between the parts to prevent
damage to fender.
NOTICE
If snowmobile is equipped with electric start, remove
the battery and battery support brackets.
IMPORTANT
Disconnect BLACK (NEGATIVE) battery cable first, and
then the RED (POSITIVE) cable.
3. Lock the parking brake. Remove the upper and lower
sprocket fasteners
w
. Discard both fasteners.
4. Remove both sprockets and the drive belt as an
assembly. Work both sprockets off each shaft equally
to prevent belt binding.
NOTICE
If a sprocket stops moving, it is likely the sprocket has
been pulled out too far in relation to the other sprocket.
Push the binding sprocket inward, and extract the other
sprocket.
5. Inspect the sprocket teeth and surfaces for damage.
Replace sprocket(s) if damage is found.
FINAL DRIVE / BRAKE SYSTEMS