Snowmobile Polaris 600 RUSH (2010 year). Manual - part 7
1.26
General Information
9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual
© 2011 Polaris Sales Inc.
2012 Switchback Assault
Model Numbers:
Switchback Assault 1.3
S12CW8GSA / S12CW8GSL
Switchback Assault 2.0
S12CL8GSB / S12CL8GSM / S12CL8GEL
NOTE: OPTIONAL - USE 2 GRAM LIGHTER CLUTCH
WEIGHTS WHEN OPERATING IN PROLONGED
WARM TEMPERATURES (LATE FALL/SPRING
SEASON) TO MAINTAIN PEAK OPERATING RPM.
Engine
Engine Type
Liberty Liquid-Cooled /
Case Reed Induction
Model Number
S4361-8044-OL8G
Displacement / # Cylinders
794cc / 2
Bore (inches/mm)
3.34 / 85
Stroke (inches/mm)
2.75 / 70
Piston to Cylinder
Clearance (inches/mm)
.004-.0055 / 0.103-0.141
Installed Ring Gap
(inches / mm)
.017-.025 / 0.450-0.650
Operating RPM +0-300
8250
Idle RPM ±200
1700
Engagement RPM ±200
3800
Exhaust Valve Spring
Orange
Thermostat Opening
Temperature (° F/ ° C)
120 / 49
Fuel Delivery
Type - Number of Fuel
Injectors
DC-CFI - 2
Throttle Body Marking
1204094
Throttle Body Bore
48mm
TPS Voltage @ Idle
(5 VDC +/- .01 Input)
0.94 +/- 0.01 VDC
Fuel Pressure - PSI (bar)
58-60 (4.0-4.1)
Fuel Octane (R+M/2)
10% Ethanol 24
Resistor
Premium/Non-Ethanol
160
Resistor
<91 Octane
(Non-Oxygenated)
OR
87/89/91+
(Up to10% Oxygenated)
91+
(Non-Oxygenated)
Switchback Assault 1.3 Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH
DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-66
BLACK
120-310
7043681
BLU/BLK
123-203
7043064
64/42 - .36
5135401
23:39 - 72
600-1200
(2000-4000)
10-64
1200-1800
(4000-6000)
10-62
1800-2400
(6000-8000)
10-60
BLK/PUR
160-240
7043363
21:40 - 72
2400-3000
(8000-10,000)
BLACK
140 - 330
7043342
20:42 - 72
3000-3600
(10,000-12,000)
10-58
Drive Clutch Bolt Torque: 80 lb.ft. (108Nm)
Re-torque after running engine.
Switchback Assault 2.0 Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH
DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-66
BLACK
120-310
7043681
BLU/BLK
123-203
7043064
64/42 - .36
5135401
20:42 - 72
600-1200
(2000-4000)
10-64
1200-1800
(4000-6000)
10-62
1800-2400
(6000-8000)
10-60
BLK/PUR
160-240
7043363
2400-3000
(8000-10,000)
BLACK
140 - 330
7043342
3000-3600
(10,000-12,000)
10-58
Drive Clutch Bolt Torque: 80 lb.ft. (108Nm)
Re-torque after running engine.
Track
Width - Inches (cm)
15 (38)
Length - Inches (cm)
144 (365.76)
Pitch
Plies
2.52
2
Lug Height - Inches (cm)
1.3
2.0
1.352 (3.43) (Cobra)
2.0 (5.08) (Series 4)
Track tension sag in/cm
with 10 lbs/4.54kg placed
16 in/40cm ahead of rear
idler shaft
3/8
- 1/2(1 - 1.3cm)