PROSTAR S-4 4-STROKE ENGINE
The ProStar S4 4-stroke engine delivers fun and spirited performance in the under 100 HP class with easy ownership and proven dependability. The perfect solution for trail riders, cabin owners, adventure seekers, and winter lovers everywhere.
Enjoy Fewer Fuel Stops and More Time Riding
Than 2-Stroke Engines
Comfortable to Grip for Longer Rides
4-STROKE EFFICIENCY
With the ProStar S4, enjoy all of the benefits of a 4-stroke engine including ease of maintenance and extended range.
Easier Maintenance
With a recommended initial oil change at 500-miles and then every 4,000 miles after, the extended service intervals means you can spend more time riding.
Better Fuel Economy
Four-stroke efficiency delivers superior fuel economy, resulting in more miles between fuel stops.
Adjust for Your Riding Style
The ProStar S4 has three unique, user-controlled driving modes – ECO, Normal, and Sport - each one offering a different driving dynamic that fits your experience level or terrain.
PROVEN ARCHITECTURE
ProStar S4 is a snow-optimized version of our legendary ProStar platform that has been proven in millions of Polaris Off-Road engines.
SLED TECH - PROSTAR S4
ProStar S4 Engine Deep Dive
Take a deeper look into the ProStar S4 4-stroke engine on this episode of Sled Tech. Known for lower maintenance, durability, and increased gas mileage, the ProStar S4 is designed for spirited performance and fun riding.
FEATURED MODELS
