Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 User Manual

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
GENERAL INFORMATION

Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 Specifications

General

Brand	Polaris
Model	850 MATRYX SWITCHBACK ASSAULT 146 2021
Category	Snowmobiles
Language	English