Although they've been floating around on social media for a few days, not much has been known about the 2017 Ski-Doos.

First, there's the looks. Obvioiusly, there's the new platform––REV Gen4––which is lighter (the 2017 Summit X is 25 pounds lighter than a 2016 XM Summit X), narrower, improves rider positioning and features some cool new technology like vertical spine running boards and cooler-less tunnel cooling design. A big focus was placed on mass centralization.