Snowmobile Polaris IQ (2007-2008 year). Manual - part 55

8.14

Steering and Suspensions

IQ 121 Shift Pivots / Rear Idler

Assembly Notes

• Never re-use Nylock nuts. Always replace with new 

parts.

• All pivots must rotate freely after tightening fasteners.

• Apply Polaris Premium All Season Grease to all grease 

zerks as outlined in the periodic maintenance table.

H BRACKET

SHOCK PIVOT

SHAFT

SHAFT

REAR PIVOT ARM

IDLER WHEEL

IDLER WHEEL

WASHER

SPACER

A

A

B

B

B

B

B

WASHER

SPACER

SPACER

WASHER

INNER SHAFT

IDLER SHAFT

= T 

A = 45 Ft.Lb. (61 Nm)
B = 35 Ft.Lb. (47 Nm)

8.15

Steering and Suspensions

8

IQ 121 Rail Assembly

Assembly Notes

• Never re-use Nylock nuts. Always replace with new 

parts.

• All pivots must rotate freely after tightening fasteners.

• Apply Polaris Premium All Season Grease to all grease 

zerks as outlined in the periodic maintenance table.

RAIL SLIDER

BOGIE WHEEL (X)

(X)

(X)

RAIL CAP

BUMPER

BUMPER

FRSS

RRSS

SPRING ROLLER

IDLER BOLT ADJUSTER

WHEEL MOUNT

CAMS

A

B

C

C

C

B

D

D

= T 

A = 3 - 6 Ft.Lb. (4 - 8 Nm)

B = 19 Ft.Lb. (26 Nm)

C = 35 Ft.Lb. (47 Nm)

D = 35 In.Lb. (2 Nm)

8.16

Steering and Suspensions

IQ 121 Shift Rail Assembly

Assembly Notes

• Never re-use Nylock nuts. Always replace with new 

parts.

• All pivots must rotate freely after tightening fasteners.

• Apply Polaris Premium All Season Grease to all grease 

zerks as outlined in the periodic maintenance table.

RAIL SLIDER

BOGIE WHEEL (X)

(X)

(X)

RAIL CAP

BUMPER

BUMPER

RRSS

SPRING ROLLER

IDLER BOLT ADJUSTER

WHEEL MOUNT

CAM

A

B

C

C

B

D

D

= T 

A = 3 - 6 Ft.Lb. (4 - 8 Nm)

B = 19 Ft.Lb. (26 Nm)
C = 35 Ft.Lb. (47 Nm)

D = 35 In.Lb. (4 Nm)

8.17

Steering and Suspensions

8

IQ 121 / Shift Front / Rear Torque Arms

Assembly Notes

• Never re-use Nylock nuts. Always replace with new 

parts.

• All pivots must rotate freely after tightening fasteners.

• Apply Polaris Premium All Season Grease to all grease 

zerks as outlined in the periodic maintenance table.

LIMITER STRAPS

SHOCK ASSEMBLY

FRONT TORQUE ARM

O RING

UPPER SHAFT

BUSHING

SHAFT

SHAFT

REAR TORQUE ARM

REAR PIVOT (SCISSOR)

REAR TRACK SHOCK

SHOCK ROD

CARRIER WHEEL

SLEEVE

TORSION SPRING

MOUNTING ARM

A

A

B

B

C

B

B

B

B

B

D

D

= T 

A = 12 Ft.Lb. (16 Nm)
B = 35 Ft.Lb. (47 Nm)

C = 45 Ft.Lb. (61 Nm)
D = 60 Ft.Lb. (81 Nm)

CAUTION

The fasteners securing the rear suspension to the 

tunnel are pre-coated with a locking agent when new. 

Never re-use these fasteners when removed. Always 

use new pre-coated fasteners when mounting the 

suspension to the tunnel.