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2026 Polaris ProStar S4 INDY Adventure 137

2-Up Trail Performance

Starting at $17,449.00

Rider First Design. Effortlesss Control.

The INDY on the Matryx platform is a trail rider’s dream. The narrow cockpit provides improved rider connection to the sled to help you move around the sled for trail precision.

Carve the Corners.

The PRO-CC is the next generation coupled rear suspension design, providing the industry’s best acceleration, handling, and consistently smooth ride. The coupled design controls pitch through geometry without reducing the fun factor, with a front torque arm calibrated for trail compliance and reduced bottoming.

Engine & Drivetrain
Bore x Stroke 93 mm x 73.5 mm
Cylinders Displacement 2 – 998cc
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 636 lbs (288 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 2
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
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 Standard
Mirrors Standard
Passenger Seat Standard
Rear Rack/Tow Hitch Accessory
Reverse F-N-R Transmission
Riser Type 2.36″ (60mm) Fixed
Seat Type Matryx Performance
Security System Option
Speedometer 7S Display
Storage Standard
Tachometer 7S Display
Temp/Low Oil Light 7S Display
Windshield Matryx Tall Smoke
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