Snowmobile Polaris EDGE / WIDETRAK (2007-2012 year). Instruction - part 37

 

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Snowmobile Polaris EDGE / WIDETRAK (2007-2012 year). Instruction - part 37

 

 

6.4

Drive and Brake Systems

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

Top Gear

18

18

18

18

17

17

17

17

17

Bottom Gear

39

40

42

43

37

39

40

41

43

7.92 

Chain

72

72

74

74

70

72

72

72

74

Gear 

Ratio

2.17 2.22 2.33 2.39 2.18 2.29 2.35 

2.41 

2.53 

Jackshaft

RPM

MPH

6000

59 58 55 54 59 56 55 

53 

51 

6250

62 60 58 56 62 59 57 

56 

53 

6500

64 63 60 58 64 61 59 

58 

55 

6750

67 65 62 61 67 63 62 

60 

57 

7000

69 68 64 63 69 66 64 

62 

59 

7250

72 70 67 65 72 68 66 

65 

62 

7500

74 72 69 67 74 70 68 

67 

64 

7750

77 75 71 70 76 73 71 

69 

66 

8000

79 77 74 72 79 75 73 

71 

68 

8250

82 80 76 74 81 77 75 

73 

70 

8500

84 82 78 76 84 80 78 

76 

72 

8750

87 85 81 79 86 82 80 

78 

74 

9000

89 87 83 81 89 84 82 

80 

76 

6.5

Drive and Brake Systems

6

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

DRIVE GEARS AND CHAINS

Drive Gears

CM = Cut Metal Sprocket     PM = Powder Metal Sprocket

Drive Chains

PART NUMBER

DESCRIPTION

3221093

17T, 3/4W, 15 SPL, HYVO, PM

3221094

18T, 3/4W, 15 SPL, HYVO, PM

3221095

19T, 3/4W, 15 SPL, HYVO, PM

3221096

20T, 3/4W, 15 SPL, HYVO, PM

3221097

21T, 3/4W, 15 SPL, HYVO, PM

3221098

22T, 3/4W, 15 SPL, HYVO, PM

3221099

23T, 3/4W, 15 SPL, HYVO, PM

3221101

24T, 3/4W, 15 SPL, HYVO, PM

3221102

25T, 3/4W, 15 SPL, HYVO, PM

3222127

26T, 3/4W, 15 SPL, HYVO, PM

3222126

36T, 3/4W, 15 SPL, HYVO, PM

3222125

37T, 3/4W, 15 SPL, HYVO PM

3222108

39T, 3/4W, 15 SPL, HYVO, PM

3222099

40T, 3/4W, 15 SPL, HYVO, PM

3222101

41T, 3/4W, 15 SPL, HYVO, PM

3221188

43T, 3/4W, 15 SPL, HYVO, PM

PART 

NUMBER

DESCRIPTION

3221115

70P, 3/4W, HYVO CHAIN

3221110

72P, 3/4W, HYVO CHAIN

3221109

74P, 3/4W, HYVO CHAIN

3221108

76P, 3/4W, HYVO CHAIN

6.6

Drive and Brake Systems

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

7.92 C.D. CHAINCASE

Assembly View

7.92 C.D. Fastener Torque

A = 23 ft.lbs. (31Nm)

B = 8 ft.lbs. (11 Nm)

C = 19 ft.lbs. (25 Nm)

D = 62 ft.lbs. (84Nm)

7.92 C.D. Assembly Notes

• Never re-use cotter pins. Always replace with new 

parts.

• Install upper gear washer with dome (raised side) 

facing locknut.

COVER

GASKET

BRAKE DISC

DRIVESHAFT

JACKSHAFT

DIPSTICK

TENSIONER BOLT

TENSIONER

SNAP RING

SNAP RING

BEARING

BEARING

GEAR

COTTER PIN

SEAL

SEAL

MAGNETIC DRAIN PLUG

GEAR

CHAIN

A

B

B

B

B

B

D

C

6.7

Drive and Brake Systems

6

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

Chaincase Removal

1.

Support the rear of the machine and loosen the track
tension.

2.

Remove the exhaust system, and intake airbox.

3.

Remove drain plug and drain the chaincase fluid.

4.

Replace drain plug and torque to 8 ft-lb (11 Nm).

5.

Remove the nuts securing the speedometer flange to
the bulkhead.

6.

Apply the parking brake.

7.

Place a protective mat on the floor, then roll the
snowmobile on to the left-hand side.

8.

Remove the chaincase cover and clean it.

9.

Remove the lower sprocket bolt and washer.

10. Remove the cotter pin, jam nut, and washer from the

jackshaft.

11. Release the parking brake.

12. Release the tension on the chain tensioner.

13. Remove the sprockets and chain from the chaincase.

14. Remove the brake caliper bolts.

15. Remove the rear suspension.

16. Carefully slide the driveshaft down so that it clears the

chaincase, and remove the driveshaft.

17. Remove the track from the chassis.

18. Remove the chaincase retaining bolts.

19. Slide the chaincase out of the chassis.

20. Inspect the o-ring and seal sleeves on the jackshaft

and driveshaft.

21. Remove the two chaincase seals and discard. Inspect

each bearing. Bearings should roll smoothly with no
flat spots. Replace if bearings are loose or are flat-
spotted.

22. When removing bearings, press from the back of the

case to the inside. Always press on the outside
bearing race.

23. When installing bearings, press from the inside of the

case. Apply Loctite 680 to the bearing-to-case mating
surface. Always press on the outside bearing race.

24. When installing new seals, apply a light film of grease

to the inner lip of the seal to aid in driveshaft / jackshaft
installation.

Chaincase Installation

1.

Install new o-rings on the jackshaft and driveshaft.
Install the seal sleeves so that the o-rings fit inside
each sleeve.

2.

Install jackshaft installation tool, PN 2871296, onto
the jackshaft.

3.

Install chaincase onto the jackshaft in chassis.

4.

Loosely install chaincase mounting fasteners.

5.

Install track into the tunnel making sure the arrows
point in the direction of track rotation.

6.

Install the driveshaft.

7.

Loosely install the lower sprocket on the driveshaft.
This will keep the driveshaft from falling through the
other side.

8.

Install the rear suspension, then upright snowmobile.

9.

Support the rear of the machine with a jack stand.

10. Center the track so that it is contacting the drive shaft

drivers correctly.

11. Remove the jackshaft installation tool from the

jackshaft.

12. Install the jackshaft alignment tool on jackshaft, then

torque nut enough so the jackshaft is aligned with the
chaincase bearing.

13. Torque all chaincase retaining bolts.

14. Remove the jackshaft alignment tool from jackshaft.

15. Install brake caliper.

16. Install the driveshaft by replacing the flange nuts on

the speedometer drive side.

17. Remove the loosely placed lower gear and retaining

bolt.

18. Place the upper sprocket, lower sprocket into the

chain, and install it on the shafts in the chaincase.

19. Lock the parking brake.

T 

Chaincase Bolts: 28-30 ft-lb (38-41 N-m)

T 

Brake Caliper Bolts: 19-21 ft-lb (26-28 N-m)

T 

Speedometer Drive Flangette Nuts: 15-17 ft-lb 

(21-23 N-m)

 

 

 

 

 

 

 

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