Polaris, Indy 600 Classic All Snowmobiles >>> Snowmobiles by Polaris More details and ordering info. The lighter weight Indy 600 Classic also has the most powerful engine in its class along with improved fuel economy at trail speeds thanks to its new variable exhaust. Features like electric start, reverse, composite skis and an electronic fuel gauge are standard. The Indy 600 Classic travels on the renowned Fast? M-10 rear suspension with gas shocks - it allows the front and back of the rear suspension to react simultaneously to changes in the terrain. User input on Indy 600 Classic by Polaris: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines