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Patriot Boost

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.

More Power. Everywhere.

As the most powerful engine from Polaris, experience the thrill and all out speed and power whether you're riding in the backcountry, the trails, or the lakes.

Power from Sea to Summit

The Patriot Boost produces 10% more power at sea level & 50% more power at 10,000 feet than 850 Patriot. Plus, it maintains power up to 2,000 feet higher than the competition*.

Developed to be Boosted

From the very first sketch, the 850 Patriot was designed to be boosted. The result is the most powerful Polaris engine, the factory 2-stroke turbocharged Patriot Boost.

Immediate Response

 The Patriot Boost features a unique reed valve in the boost box. The reed valve allows air to enter the engine while the turbo is building boost, delivering immediate response with turbocharged power.

*Based on Internal Polaris Testing.

SEAMLESS CONTROL WITH SMARTBOOST

The magic of the Patriot Boost is a system called SmartBoost, a collection of proprietary patented hardware and software all focused around solving the issue of combustion stability.

Reverse Rotating Vertical Turbocharger

Vertical orientation enables the shortest airflow path possible for immediate response and power

Patented Tuned-Pipe Mounted Wastegate

Engineered to unlock a new level of performance and capability

Polaris-Exclusive Engine Calibration & Control

Proprietary calibration and control strategy delivers precise and consistent performance every ride

BENEFITS OF THE SMARTBOOST SYSTEM

The SmartBoost System delivers unmatched combustion stability and engine control. This system enables 10% more power at sea level with 9 PSI of Boost for maximum power and durability.

Peak Performance in Any Conditions

SmartBoost allows Patriot Boost to seamlessly adapt to your riding conditions, constantly adjusting and fine tuning itself to produce consistent performance whether you're on the trails or in the backcountry.

Precise Power

Electronic boost control paired with the patent pending SmartBoost system produces predictable power every ride so you can ride confidently.

PURPOSE-BUILT DURABILITY

The Patriot engine lineup's proven architecture has earned a reputation for rock-solid durability.

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