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

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2.26
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
BELT DEFLECTION INSPECTION /
ADJUSTMENT
INSPECTION
Measure belt deflection with both clutches at rest and in
their full neutral position.
Place a straight edge on the belt and apply downward
pressure while measuring midway between both
clutches. This measurement should be 1 1/4 inches (3.2
cm).
MEASUREMENT
Belt Deflection:
1.25″ (3.2 cm)
ADJUSTMENT
1. Loosen the 11 mm jam nut on the belt width adjuster
screw.
2. Using a 3 mm Allen wrench, turn the set screw inward
(clockwise) to increase the distance between the
sheaves (increase deflection) or outward (counter-
clockwise) to decrease the distance (decrease
deflection).
3. Lightly tighten the jam nut
q
while holding the set
screw stationary.
4. Using the L-wrench, open the driven clutch sheaves
1/2 inch.
5. Torque the deflection screw nut while holding the set
screw stationary.
TORQUE
Deflection Screw Jam Nut:
145 in-lbs (16 Nm)
6. Rotate the belt clockwise while removing the L-
wrench
MAINTENANCE