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.
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7. Verify the adjuster bolt seal is seated against the
chaincase. Torque jam nut to specification.
TORQUE
Chaincase Adjuster Jam Nut:
21 ft-lbs (28 Nm)
8. Install the jackshaft spacer.
9. Inspect the cover gasket. Replace if damaged. Verify
the gasket is installed in the cover groove as shown.
10. Install the cover making sure the cover engages the
dowels evenly. Lightly tap on the cover with a soft-
faced hammer to seat it against the chaincase.
NOTICE
If the fender is secured to the chaincase housing,
remove the two screws. Removing the screws will allow
more room for the cover to rotate into place.
11. Install all of the cover screws. Torque screws to
specification using the specified sequence.
Torque Sequence
TORQUE
Chaincase Cover Screws:
11 ft-lbs (15 Nm)
12. Install the two fender-to-chaincase housing screws.
Torque screws hand-tight.
13. Inspect the jackshaft O-ring. Replace if worn or
damaged. Install O-ring onto jackshaft. Verify the O-
ring is sitting in the jackshaft groove.
FINAL DRIVE / BRAKE SYSTEMS