ENGINE HIGHLIGHTS
The Patriot engines are built off the proven 850 Patriot with years of experience and refinement on the snow. Plus, the ProStar S4 is proven in millions of Polaris off-road vehicles and is optimized for snow.
The Polaris engine lineup builds on the legendary 25-year heritage of Polaris Liberty engines and is engineered to seamlessly integrate into your Polaris snowmobile for minimized vibrations and increased performance.
The Polaris engine lineup delivers thrill and exciting power whether you're cruising the trails, exploring the backcountry, or riding the ditches.
The Patriot engines are built off the proven 850 Patriot with years of experience and refinement on the snow. Plus, the ProStar S4 is proven in millions of Polaris off-road vehicles and is optimized for snow.
The Polaris engine lineup builds on the legendary 25-year heritage of Polaris Liberty engines and is engineered to seamlessly integrate into your Polaris snowmobile for minimized vibrations and increased performance.
The Polaris engine lineup delivers thrill and exciting power whether you're cruising the trails, exploring the backcountry, or riding the ditches.
AN ENGINE FOR EVERY RIDER
Polaris Snowmobiles offer versatile engines for every riding style. From the thrill and performance of Patriot Boost 2-stroke turbocharged engine to the spirited and fuel efficient ProStar S4 4-stroke engine.
The Patriot Boost is the turbocharged heart of the Factory Mod family and is most powerful engine from Polaris to deliver the ultimate performance in the snow.
The 9R big bore Patriot engine is the newest member of the Factory Mod family. Delivering race-mod response and lightweight power, the Patriot 9R is the most powerful naturally aspirated engine Polaris has ever built.
At the heart of the Patriot family lies the 850 Patriot. Built from 25+ years of learnings with Polaris Liberty engines, 850 Patriot takes premium performance to the next level with punchy acceleration, quick response, and legendary durability.
The 650 Patriot, built on the proven 850 architecture, delivers smooth power and response, unparalleled durability, and super-efficient operation.
Based on the proven Polaris ProStar architecture, the 4-stroke ProStar S4 delivers fun and spirited performance, easy ownership, and proven dependability.
A proven and durable fan-cooled snowmobile engine that provides reliable performance for a great value.
Highest Power
High-Power
High-Power
Mid-Range Power
Under 100 HP
Under 100 HP
2-Stroke
2-Stroke
2-Stroke
2-Stroke
4-Stroke
Fan-Cooled
Mountain, Trail, and Crossover
Mountain, Trail, Crossover
Mountain, Trail, Crossover
Mountain, Trail, Crossover, Sport Utility, Widetrack
Trail, Widetrack
Trail, Crossover, Sport Utility