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ProStar S4 INDY XC 137 Indy Red 7S Specifications

Find specifications for the 2027 Polaris ProStar S4 INDY XC 137 Indy Red 7S snowmobile. Specs includes engine, fuel capacity, ski type, track length and width, exhaust, suspension, rear travel and person capacity.

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Engine & Drivetrain

Bore x Stroke
93 mm x 73.5 mm
Cylinders Displacement
2 - 998 cc
Disc Brake Type
S4 Stealth
Drive System Type
F-N-R Transmission
Drive/Driven Clutch
P-22 / TEAM® BOSS
Engine Type / Cooling
Liquid Cooled
Exhaust
Single
Fuel System
Sequential Port Injection
Ignition
Coil on Plug

Dimensions

Estimated Dry Weight
596 lb (270 kg)
Fuel Capacity
11.5 gal (43.5 L)
Overall Height
46 in (116.8 cm)
Overall Length
120 in (305 cm)
Overall Width
47 in (119.4 cm)
Person Capacity
1
Ski Center Distance
42.5 in (108 cm)

Suspension

Front Shocks
Polaris TS
Front Suspension
Matryx Front Suspension
Front Track Shock
Polaris TS
Front Travel
9.5 in (24.1 cm)
Rear Suspension
PRO-CC™
Rear Track Shock
Polaris TS
Rear Travel
16.2 in (41.1 cm)
Ski Type
PRO-STEER DUAL CARBIDE
Track Width / Length / Height (in)
15 x 137 x 1.35 Cobra

Features

12V Outlet / RCA
Standard
Electric Start
Standard
Fuel Gauge
Electronic
Hand & Thumb Warmers
Smart Warmers
Handlebar Type
One Piece Hooked
Heated Passenger Grips
Accessory
Mirrors
Accessory
Passenger Seat
Accessory
Rear Rack/Tow Hitch
Accessory
Reverse
F-N-R Transmission
Riser Type
2.36 in (60 mm) Fixed
Seat Type
Matryx Performance
Security System
Option
Speedometer
7S Display
Storage
Standard
Tachometer
7S Display
Temp/Low Oil Light
7S Display
Windshield
Matryx Mid Smoke
2027 Polaris ProStar S4 INDY XC 137 Indy Red 7S.

Unless noted, trademarks are the property of Polaris Industries Inc.

© 2026 Polaris Industries Inc.

 

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