2026 Polaris ProStar S4 INDY XC 137

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Overview

ProStar S4 INDY XC 137 Includes:

  • Front Shock: Polaris TS
  • Front Suspension: Matryx Front Suspension
  • Front Track Shock: Polaris TS
  • Rear Track Shock: Polaris TS
  • Track Width/Length/Height: 15 x 137 x 1.35 Cobra
Specifications
Model
INDY XC 137
Category Name
Snowmobiles
Year
2026
Sale Type
New
Manufacturer
Polaris
Mirrors
Accessory
Reverse
F-N-R Transmission
Storage
Standard
Seat Type
MATRYX Performance
Fuel Gauge
Electronic
Riser Type
2.36 in (60mm) Fixed
Tachometer
MessageCenter Display / 7S Display
Windshield
Matryx Mid Smoke
Speedometer
MessageCenter Display / 7S Display
Electric Start
Standard
Handlebar Type
One Piece Hooked
Passenger Seat
Accessory
Security System
Option
12V Outlet / RCA
Standard
Temp/Low Oil Light
MessageCenter Display / 7S Display
Rear Rack/Tow Hitch
Accessory
Hand & Thumb Warmers
Smart Warmers
Heated Passenger Grips
Accessory
features

Exciting Trail Performance

Cruise the trail or rip through the corners. When the snow starts to fly and the winter playground opens up, INDY XC provides the acceleration, comfort, and control to navigate the trail system.

2026 Polaris ProStar S4 INDY XC 137 Rider First Design. Effortless 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.

2026 Polaris ProStar S4 INDY XC 137 Rip the Corners.

The PRO-CC is a 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 to reduce bottoming.

2026 Polaris ProStar S4 INDY XC 137 Proven Patriot Power.

Choose the easy-to-ride and fuel efficient ProStar S4 4-stroke engine. Or, choose a 2-stroke option with the smooth and powerful 650 Patriot, or the legendary durability and relentless acceleration of the 850 Patriot.

2026 Polaris ProStar S4 INDY XC 137Spirited Ride & Handling

When we build a sled, we build it to be the best sled for every riding style. Not simply a different sticker or name. Every part on the INDY XC is scrutinized to deliver spirited control and handling on the trails.

Industry-Leading Technology

Polaris sleds lead the way in technology that enhances your ride. Technology built to help you plan rides, track your group, keep your hands warm on the ride and see your way from dusk til dawn.

2026 Polaris ProStar S4 INDY XC 137Plan Your Ride. Track the Fun.

Plan, track, and share your ride with the 7S Display powered by RIDE COMMAND. The 7" glove-touch display is purpose-bulit for snowmobiles, with on-board diagnostics, GPS navigation with over 380,000 miles of offline trail data, and sled-to-sled Group Ride technology to see your ride group with or without cell coverage.

2026 Polaris ProStar S4 INDY XC 137Warm Hands. Better Rides.

The Polaris-exclusive SmartWarmers build heat quickly and maintain your customized temperature regardless of the temperature outside. Enhance your ride further by setting individual thumb and hand temperatures for an even more customized level of comfort.

Effortless Control

The Matryx platform INDY XC features a rider-first design and over 4 decades of suspension development pulling the best attributes of cross-country performance to create the best handling trail performance sled on snow.

2026 Polaris ProStar S4 INDY XC 137 Tailor Your Ride With a Quick Switch.

High-performance, adjustable, and rebuildable FOX®  QS3 shocks offer easy adjustability and deliver outstanding performance on-trail. The remote reservoir promotes heat dissipation and ensures consistently outstanding performance in trail riding conditions.

2026 Polaris ProStar S4 INDY XC 137Predictable Steering. Confidence Inspiring.

Developed on the track, proven on-the trail. The Polaris IFS is the perfect balance of effort, precision & zero-bump- steer-stability to deliver consistent handling and control.

2026 Polaris ProStar S4 INDY XC 137Increased Wind Protection for Added Comfort.

Matryx bodywork is designed for improved leg and lower body comfort and protection.

engine and drivetrain
Exhaust
Single
Ignition
Coil on Plug
Fuel System
Sequential Port Injection
Bore X Stroke
93 mm x 73.5 mm
Disc Brake Type
S4 Stealth
Drive System Type
F-N-R Transmission
Drive/Driven Clutch
P22 / TEAM® BOS
Engine Type / Cooling
Liquid Cooled
Cylinders Displacement
2 - 998 cc
dimensions
Fuel Capacity
11.5 gal (43.5 L)
Overall Width
47 in (119.4 cm)
Overall Height
46 in (116.8 cm)
Overall Length
120 in (305 cm)
Person Capacity
1
Ski Center Distance
42.5 in (108 cm)
Estimated Dry Weight
594 lb (269 kg)
suspension
Ski Type
PRO-STEER DUAL CARBIDE
Rear Travel
16.2 in (41.1 cm)
Front Shocks
Polaris TS
Front Travel
9.5 in (24.1 cm)
Rear Suspension
PRO-CCâ„¢
Front Suspension
MATRYX Front Suspension
Rear Track Shock
Polaris TS
Front Track Shock
Polaris TS
Track Width / Length / Height (in)
15 x 137 x 1.35 Cobra