1.16
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
ENGINE
ITEM
TORQUE
Engine Mounting
Fasteners
(M10 x 1.5 x 40)
Excluding Front MAG
Engine Mount
48 ft-lbs (65 N·m)
Apply Loctite 262
Front MAG Engine
Mounting Fasteners
(M8 x 1.25 x 25)
22 ft-lbs (30 N·m)
Exhaust Manifold
Fasteners
First Pass:
11 ft-lbs
(15 N·m)
Second Pass:
22 ft-
lbs (30 N·m)
Fuel Rail Fasteners
(M7 x 1.0 x 63)
First Pass:
5 ft-lbs
(6.5 N·m)
Second Pass:
15 ft-
lbs (20 N·m)
Always discard fasteners
and replace with new.
Reed / Throttle Body
Adapter Fasteners
12 ft-lbs (16 N·m)
ENGINE ELECTRICAL
ITEM
TORQUE
Exhaust Gas
Temperature (EGT)
Sensor
32 ft-lbs (44 N·m)
Engine Coolant
Temperature (ECT)
Sensor
18 ft-lbs (24 N·m)
Knock Sensor Fastener
168 in-lbs (19 N·m)
ECU Mounting Fasteners
5 ft-lbs (7 N·m)
FUEL SYSTEM
ITEM
TORQUE
Fuel Rail Mounting
Fasteners
First Pass:
5 ft-lbs
(6.5 N·m)
Second Pass:
15 ft-
lbs (20 N·m)
Front Seat Mount
Fastener
36 in-lbs (4 N·m)
PFA Nut
28 ft-lbs (38 N·m)
FUEL SYSTEM
ITEM
TORQUE
Fuel Tank / Support
Mounting Nuts
9 ft-lbs (12 N·m)
Tank Studs
18 in-lbs (2 N·m)
FINAL DRIVE / BRAKES
ITEM
TORQUE
Brake Disc Fastener
40 ft-lbs (54 N·m)
Chaincase Cover
Fasteners
12 ft-lbs (16 N·m)
Chaincase Fill Plug
4 ft-lbs (6 N·m)
Chaincase Lower
Sprocket Fastener
29 ft-lbs (40 N·m)
Drive Chain Tensioner
Jam Nut
21 ft-lbs (28 N·m)
Brake Caliper Mounting
Fasteners
40 ft-lbs (54 N·m)
Speed Sensor Fastener
7 ft-lbs (9 N·m)
Driveshaft Bearing Cover
/ Flangette Fasteners
18 ft-lbs (25 N·m)
Jackshaft Bearing Flange
Fasteners
18 ft-lbs (25 N·m)
Brake Reservoir Cover
Fasteners
6-8 in-lbs (0.68-0.90
N·m)
Inner Brake Reservoir
Fastener
6-8 in-lbs (0.68-0.90
N·m)
Master Cylinder
Handlebar Clamp
Fastener
60-80 in-lbs (6.8-9 N·m)
Brake Banjo Bolt
240-260 in-lbs (27-30
N·m)
Brake Bleeder Screw
100-135 in-lbs (11-15
N·m)
Brake Switch Guard
Fastener
Until Fully Seated