107 Plaistow Road, Rte. 125, Plaistow, NH 03865
Main: 978-699-9043
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2026 Polaris ProStar S4 INDY Adventure 137

ProStar S4
MSRP: $17,449
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Specs and Features

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
P22/TEAM BOSS
Engine Type / Cooling
Liquid Cooled
Exhaust
Single
Fuel System
Sequential Port Injection
Ignition
Coil on Plug
Dimensions
Estimated Dry Weight
636 lb (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 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
Standard
Mirrors
Standard
Passenger Seat
Standard
Rear Rack/Tow Hitch
Accessory
Reverse
F-N-R Transmission
Riser Type
2.36 in (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

Factory Built for Adventure

The INDY Adventure is equipped for 2-up riding for those long days racking up the miles.


 

2-Up Trail Performance
Cruise the trail alone or with a passenger. When the snow starts to fly and the winter playground opens up, INDY Adventure provides the comfort and control to navigate the trail system.
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.
Carve the Corners.
The PRO-CC is a purpose-built 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 Choices for Your Riding Style.
Choose from the smooth, powerful, and efficient 650 Patriot or the long range and easy service intervals of the ProStar S4 4-stroke engine.
Spirited Trail 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 Adventure is scrutinized to deliver spirited control and handling on the trails.
Effortless Control
The Matryx platform INDY features a rider-first design and over 4 decades of suspension development to create the best handling trail performance sled on snow.
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.

©2025. Plaistow Powersports. All Rights Reserved.

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A New England Powersports Company

107 Plaistow Road, Rte. 125, Plaistow, NH 03865

MAIN: 978-699-9043

Hours

Monday

Closed

Sunday

Closed

Tuesday – Thursday

9am – 6pm

Friday

9am – 5pm

Saturday

9am – 3pm
 

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