Content Source: 2019 RUSH / SWITCHBACK / Pro-S / XCR Owner’s Manual (9928943 R01) > Specifications Chapter

IMPORTANT

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850 SWITCHBACK PRO-S

Capacities and Dimensions

Body Style

AXYS

Rider Capacity

1

Coolant Capacity

4 qts. (3.8 l)

Chaincase Oil Capacity

10 oz. (296 ml)

Fuel Tank Capacity

12 gal. (45.4 l)

Height

46 inches (117 cm)

Length

121 inches (307.4 cm)

Estimated Dry Weight

446 lbs. (202.3 kg)

Oil Capacity (qts./l)

3.9 qts. (3.7 l)

Designed Width
Ski Center Distance

47 inches (119.4 cm)
42.5 inches (108 cm)

Brake Type

AXYS™ Radial

Drive Clutch Center Distance

10.625 inches (26.97 cm)

Drive Belt Type
Projected Width

High Modulus PBO- Double Cog, Cut Finish
1.46 inches (3.7 cm)

Drive / Driven Clutches

P-85 / LW Team Roller Reverse

Reverse

POLARIS Electronic Reverse Control (PERC)

Front / Rear Travel

9.3 in. (23.6 cm) / 13.4 in. (34 cm)

Engine and Cooling

Engine

ASM-ENG S5836-8444-ON8R

Displacement

840 cc

Cylinders

2

Bore x Stroke (mm)

85 x 74

Alternator Output

500 watt @ 5000 rpm

Throttle Body

Mikuni

Oil Injection

Electronic Oil Pump

Throttle Body Bore Size

48 mm

Idle RPM

1800 +/- 200

Operating RPM

8250 +/- 150

Thermostat Opening Temp

120°F (49°C)

Ignition Type

Multi-Dimensional CDI

Ignition Timing

18° @ idle 1700 RPM w/120°F (49°C) water temp

Spark Plug / Gap

NGK BPR 9ES /.027 inches (0.7 mm)

Recommended Fuel Octane

91 non-oxygenated recommended
(87 oxygenated minimum)

CLUTCH SETTINGS
ALTITUDE
meters (feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift Weight Clutch Spring Clutch Spring Driven Helix Gearing
(U : L -Pitch)
* Shaded cells indicate factory settings. Use 2 gram lighter shift weights when operating in temperatures above 40° F (5° C).
Drive Clutch Bolt Torque: 80 ft-lbs (108 Nm) Re-torque after running engine.
0-600 (0-2000) 10-66 (1321584) GOLD
100 - 275
7041148

BLUE / BLACK
123 - 203
7043064

58/44–.36
5140311
23:37-68
1.25 Ripsaw
1.352 Cobra
1.5 Storm




600-1200 (2000-4000) 10-64 (1321585)
1200-1800 (4000-6000) 10-62 (1321586)
1800-2400 (6000-8000) 10-60 (1321587) BLACK
155 - 222
7043063

2400-3000 (8000-10,000) BLACK
140 - 330
7043829

20:39-68
1.25 Ripsaw
1.352 Cobra
1.5 Storm




3000-3600 (10,000-12,000) 10-58 (1321588)

Traction / Control

Track / Pitch

Maximum Stud Length
Tunnel Protection

15 x 120 x 1.25 Ripsaw II / 2.86

1.325 in. (3.36 cm)
Integrated

Track / Pitch

Maximum Stud Length
Tunnel Protection

15 x 120 x 1.352 Cobra / 2.86

1.325 in. (3.36 cm)
Integrated

Track / Pitch

Maximum Stud Length
Tunnel Protection

15 x 120 x 1.5 Storm / 2.86

1.325 in. (3.36 cm)
Integrated

Track / Pitch

Maximum Stud Length
Tunnel Protection

15 x 120 x 1.75 Backcountry/ 2.86

1.325 in. (3.36 cm)
Integrated

IFS Shocks

Walker Evans Piggyback / Compression Adj.

or Walker Evans Hi-Lo Speed Piggyback / Compression Adj.

FTS Shock

Walker Evans Piggyback / Compression Adj.

or Walker Evans Hi-Lo Speed Piggyback / Compression Adj.

RTS Shock

Walker Evans Piggyback / Compression Adj.

or Walker Evans Hi-Lo Speed Piggyback / Compression Adj.

Ski / Carbide

PRO-STEER / 4 in. (10.16 cm)


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