4-Stroke Engine Benefits
With the ProStar S4, enjoy all of the benefits of a 4-stroke engine including ease of maintenance and extended range.
Durable & Easy to Own
ProStar S4 was engineered to provide riders the easiest ownership experience with great fuel efficiency, long service intervals, and the rock-solid dependability all ProStar engines are known for.
Fun & Spirited Performance
The ProStar S4 is engineered in the under 100 horsepower class to deliver a fun and approachable riding experience for both new riders or experienced riders who prefer to cruise the trails at their own pace.
Easy Throttle Control
The electronic throttle is easy to use, even for smaller hands, and is comfortable to grip for even the longest rides.
Drive Modes for Every Riding Style
The ProStar S4 has three unique drive modes to tailor to varying riding styles. Enjoy ECO mode for new riders with easy operation and best fuel economy. Choose Normal for the standard driving mode or Sport for highest performance.
Iron Dog Tested & Trusted
ProStar S4 is proven at the Alaskan Iron Dog, the world's toughest and most grueling snowmobile event, so you can can take on frigid ice-fishing trips & rough forest trails with confidence.
Featured Models
2025 INDY Adventure
Trail Performance and Adventure You Can Share
