Content Source: 2021 INDY VR1 / INDY XC / Switchback ASSAULT Owner’s Manual (9931271 R01) > Specifications Chapter

IMPORTANT

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850 INDY VR1/XC 129 and 137

Capacities and Dimensions

Body Style

Matryx

Rider Capacity

1

Coolant Capacity

4 qt (3.8 L)

Chaincase Oil Capacity

10 oz (296 mL)

Fuel Tank Capacity

11.5 gal (43.5 L)

Gearcase Oil Capacity

N/A

Oil Capacity (qts./l)

3.75 qt (3.5 L)

Height

46 in (116.8 cm)

Length

117 in (297.2 cm)

Designed Width

47 in (119 cm)

Ski Center Distance

42.5 in (108 cm)

Brake Type

Hayes® Stealth Master Cylinder

Drive Clutch Center Distance

10.625 in (27 cm)

Drive Belt P/N

3211215

Drive Clutch

P-85

Driven Clutch

Lightweight Team Roller Reverse

Reverse Transmission

Electronic Reverse

Engine and Cooling

Engine

ASM-ENG S6184-8444-L08R

Displacement

840 cc

Cylinders

2-monoblock

Bore x Stroke (mm)

85 x 74

Alternator Output

500 watt

Throttle Body

1205875

Recommended Engine Oil

VES

Throttle Body Bore Size

50 mm

Idle RPM

1800 +/- 200

Rated Operating RPM

8250 +0/- 150

Cooling

Liquid

Ignition Type

CDI

Ignition Timing °BTDC

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

Spark Plug / Gap

NGK® BPR9ES / .027 inches (0.7 mm)

Recommended Fuel Octane

91 recommended (87 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) 10-72
(1322428)
Almond/Gold
(7041645)
Black
155/222
7043063
58/44/.36
(5143872)
23:37 68P
1.25 Ice Ripper XT
1.352 Cobra
22:41 70P
1.5 Storm
600-1200 (2000-4000) 10-70
(1322414)
1200-1800 (4000-6000) 10-68
(1322427)
1800-2400 (6000-8000) 140/330
7043829
2400-3000 (8000-10,000) 10-66
(1321584)
20:39 68P
1.25 Ice Ripper XT
1.352 Cobra
21:42 70P
1.5 Storm
3000-3600 (10,000-12,000) 10-64
(1321585)

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