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2025 Polaris ProStar S4 TITAN Adventure 155

Starting at $15,999

The Best Mountain Sled Just Got Better – and Even Lighter

The PRO RMK delivers instantaneous lift and lightning fast response. 2025 Boost and 9R PRO RMK models are up to 7 lbs. lighter and have a redesigned throttle system, 1″ lower seat, improved running board clean-out, and a lightweight headlight for improved connection and control to deliver the best RMK experience yet.

Engine & Drivetrain  
Drive System Type H-L-N-R Transmission
Drive/Driven Clutch P-22 / TEAM BOSS
Ignition Coil on Plug
Dimensions  
Estimated Dry Weight (lbs/kg) 722 / 327
Fuel Capacity (gal/liters) 13.6 / 51
Overall Height (in/cm) 57 / 145
Overall Length (in/cm) 129 / 328
Overall Width (in/cm) 48 / 122
Suspension  
Front Shock FOX QS3
Front Suspension AXYS Front Suspension
Front Track Shock
Rear Suspension Titan Articulated
Rear Track Shock FOX QS3
Ski Type Gripper
Track Width/Length/Height 20 x 155 x 1.5 Cobra
Features  
Electric Start Standard
Fuel Gauge Electronic
Hand and Thumb warmers Smart Warmers
Handlebar Type One Piece Hooked
Heated Passenger Grips Standard
Gauge MessageCenter Display
Windshield AXYS Tall Smoke

Lake Cumberland Motorsports has the best products located in Somerset. We are your one-stop shop for the hottest new powersports vehicles, including ATVs, and dirt bikes. Here at Lake Cumberland Motorsports, customer satisfaction is what drives us. We are here to make your riding experience the very best it can be. That’s why our experienced and welcoming staff always strives to provide you quality products and service after the sale.

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While great effort is made to ensure the accuracy of the information on this site, errors can occur. Please verify all pricing information with a customer service representative. This is easily done by calling us or visiting us at the dealership.