9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
1.11
DRIVETRAIN / TRACK
129 MODELS 137 MODELS 146 MODELS
Chaincase Center Distance
7.063 in (17.94 cm)
Chaincase Gearing
SEE CLUTCHING SETTINGS
Chaincase Gear Lube
Polaris Synthetic (30W)
Chaincase Capacity
8 - 10 oz (237 - 296 mL)
Reverse System
PERC
Track Width
15 in (38 cm) 15 in (38 cm) 15 in (38 cm)
Track Length 129 in (327.7 cm) 137 in (347.98 cm) 146 in (370.8 cm)
Track Pitch 2.86 2.86 2.86
Track Lug Height
1.25 in (3.175 cm) - Ice Ripper
XT
1.352 in (3.43 cm) - Cobra
1.5 in (3.81 cm) - Storm 150
1.25 in (3.175 cm) - Ice Ripper
XT
1.352 in (3.43 cm) - Cobra
1.5 in (3.81 cm) - Storm 150
1.352 in (3.43 cm) - Cobra
Clipped
1.5 in (3.81 cm) - Ice Storm
1.6 in (4.06 cm) - Cobra
2.0 in (5.08 cm) - Crossover
Track Tension
7/8 - 1 1/8 in (2.2 - 2.6 cm)
Maintain 7/8 in (2.2 cm) when
studded.
7/8 - 1 1/8 in (2.2 - 2.6 cm)
Maintain 7/8 in (2.2 cm) when
studded.
7/8 - 1 1/8 in (2.2 - 2.6 cm)
Maintain 7/8 in (2.2 cm) when
studded.
Stud Protection
Units do not have integrated stud protection but accessory kits are available. Units built with pre-
studded tracks (Ice Ripper/Storm) will come from the factory with the stud protection installed.
Stud protection kits are designed to work with studded tracks that have no-greater than 0.375 in
(0.953 cm) of stud penetration (that is, distance of the stud above the lug-tip). Polaris does not
recommend studding anything above a 1.352 in (3.43 cm) Cobra track, although the stud
protection will work on a 1.6 in (4.06 cm) Cobra track on 146 models.
PVT SYSTEM
650 MODELS 850 MODELS
Drive Belt Part Number 3211165 3211215
Drive Belt Width
1.46 in (3.70 cm) 1.47 in (3.73 cm)
Drive Belt Side Angle
26° 28°
Drive Belt Circumference
45.16 in (114.7 cm) 45.16 in (114.7 cm)
Drive Belt Center Distance
10.625 in (26.98 cm) 10.625 in (26.98 cm)
FRONT SUSPENSION
129 MODELS 137 MODELS 146 MODELS
Front Suspension Type Matryx Front Suspension Matryx Front Suspension Matryx Front Suspension
Front Shock
Walker Evans Force*
or
Walker Evans Velocity*
Walker Evans Force*
or
Walker Evans Velocity*
Walker Evans 2" Velocity*
Front Travel
9.3 in (23.6 cm) 9.3 in (23.6 cm) 9.5 in (24.1 cm)
Ski Type
PRO-STEER PRO-STEER PRO-STEER
Ski Center Distance
Setup Width
42.5 in (108 cm)
41.52 in (105 cm)
42.5 in (108 cm)
41.52 in (105 cm)
42.5 in (108 cm)
41.52 in (105 cm)
Overall Toe Out
1/8 - 1/4 in (3 - 6 cm) 1/8 - 1/4 in (3 - 6 cm) 1/8 - 1/4 in (3 - 6 cm)
* = Reference Steering / Suspension chapter for shock settings.
GENERAL INFORMATION
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