1.16
General Information
2012 600 RUSH
Model Numbers:
600 RUSH
S12BF6NSA / S12BF6NSL
600 RUSH PRO-R
S12BP6NSA / S12BP6NSB / S12BP6NSC / S12BP6NSL
S12BP6NEL / S12BP6NSM / S12BP6NSP
NOTE: OPTIONAL - USE 2 GRAM LIGHTER CLUTCH
W
EIGHTS 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 S4357-6044-OL6N
Displacement / # Cylinders 599cc / 2
Bore (inches/mm) 3.04 / 77.25
Stroke (inches/mm) 2.52 / 64
Piston to Cylinder
Cle
arance (inches/mm)
.0033-.0054 / 0.085-0.137
Installed Ring Gap
(inches / mm)
.017-.025 / 0.450-0.650
Operating RPM ±200 8250
Idle RPM ±200 1700
Engagement RPM ±200 3800
Exhaust Valve Spring Purple
Thermostat Opening
T
emperature (° F/ ° C)
120 / 49
Fuel Delivery
Type - Number of Fuel
Injec
tors
DC-CFI - 4
Throttle Body Marking 1203978
Throttle Body Bore 46mm
TPS Voltage @ Idle
(5 VDC +/- .01 Input)
0.95 +/- 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
16
0 Resistor
<91 Octane
(Non
-Oxygenated)
OR
87/89/91+
(Up to10% Oxygenated)
91+
(Non-Oxygenated)
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH P2 DRIVEN CLUTCH
Shift
W
eight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-64
BLACK
120 - 310
7043681
130 - 180
Tabbed
7043515
58/42 - .45
5137176
23:39 - 72
600-1200
(2000-4000)
10-62 22:39 - 72
1200-1800
(4000-6000)
10-60
22:40 - 72
1800-2400
(6000-8000)
10-58
2400-3000
(8000-10,000)
10-56
20:41 - 72
3000-3600
(10,000-12,000)
10A-L
Drive Clutch Bolt Torque: 80 ft-lbs (108Nm)
Re-torque after running engine.
Clutch Settings (Electric Start Models)
ALTITUDE
meters
(feet)
DRIVE CLUTCH P2 DRIVEN CLUTCH
Shift
We
ight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-64
BLK/GRN
120 - 340
7042083
130 - 180
Tabbed
7043515
58/42 - .45
5137176
23:39 - 72
600-1200
(2000-4000)
10-62 22:39 - 72
1200-1800
(4000-6000)
10-60
22:40 - 72
1800-2400
(6000-8000)
10-58
2400-3000
(8000-10,000)
10-56
20:41 - 72
3000-3600
(10,000-12,000)
10A-L
Drive Clutch Bolt Torque: 80 ft-lbs (108Nm)
Re-torque after running engine.
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 121 (307)
Pitch
Plies
2.52
2
Lug Height - Inches (cm)
Base
PRO-R
International Models
1.0 (2.54) (Hacksaw)
1
.25 (3.175) (Ripsaw)
1.352 (3.43) (Cobra)
Track tension sag in/mm
with 10 lbs/4.54kg place
d
16 in/40cm ahead of rear
idler shaft
1/4
- 3/8(6.3 - 9.6mm)