ProStar

Overview

What is a

ProStar?

A ProStar engine is an off-road vehicle engine that has been designed, engineered, and manufactured from the ground-up by the experts at Polaris who share the same passion for off-roading as you do. ProStar engines are purpose-built, tuned, and designed specifically for your vehicle and application. By leveraging cutting-edge technology from automotive influences, we have emerged as a trusted leader in off-road powertrain technology. With over one million engines produced we’ve created the perfect balance of engineered features to ensure you are getting the maximum performance in every vehicle.

ProStar

Features

Power
  • Power Density - industry leading output by displacement
  • Customized - tuned to perform with each vehicle application
  • Light Weight - reduced engine weight to increase overall vehicle performance
Reliability
  • Testing - extreme testing in the worlds harshest environments
  • Riders First – core engineering teams dedicated to the riding experience with a passion for making the best possible engines and vehicles
  • Engine Platforms - common core architectures within ProStar engine families
Ease of Maintenance
  • Design Simplicity - engines are designed to be easy to work on
  • Designed with Vehicle - key access points planned with vehicle development
  • Easy Maintenance - extended times between regular maintenance intervals and easy check points (Oil fill, drain, dipstick, coolant bleed etc…)

ProStar

Engines

30

  • Powerful  single cylinder architecture with DOHC, 4 valves per cylinder, wet sump and light weight design specifically intended for ATV usage
  • Optimized for the Sportsman family of ATV’s and the Polaris Ace
  • Specifically tuned for easy starting and great power delivery
ProStar 30

570

  • Powerful  570cc single cylinder architecture with DOHC, 4 valves per cylinder, wet sump and  light weight design specifically intended for ATV usage
  • Optimized for the Sportsman 570 family of ATV’s, bringing the power of a twin cylinder but the efficiency of a single into the Sportsman platform.
  • Specifically tuned to the demands of even the toughest Sportsman applications
ProStar 570

850

  • Powerful twin cylinder architecture, single overhead cam, 4 valves per cylinder, twin balance shafts with a high flow airbox and dual bore throttle body
  • Optimized for ultra-smooth power delivery and reduced NVH
  • Specifically tuned for the most powerful and capable Sportsman applications
ProStar 850

1000

  • Powerful twin cylinder architecture, single overhead cam, 4 valves per cylinder, twin balance shafts with a high flow airbox and dual bore throttle body
  • Optimized for ultra-smooth power delivery and reduced NVH
  • Specifically tuned for the most powerful and capable Sportsman applications
ProStar 1000