2018 Polaris 600 INDY SP ES, 2018 Polaris® 600 INDY® SP ES LEGENDARY PERFORMANCE. SYMPLY FUN The 600 INDY SP is a performance snowmobile for trail riders. The 600 Cleanfire® Engine paired with the FOX® IFP shocks and 15 x 121 x 1.0 HackSaw track provide a fun ride with precise handling. Features may include: PRO-RIDE Chassis The INDY® is built on the proven PRO-RIDE Chassis that is 300% stiffer for precise, intuitive handling. The ideal choice for a nimble handling sled that s fun to ride Race-Proven Front Suspension Lighter steering, sharper cornering. Developed in conjunction with the Polaris Racing program. Its performance and durability were proven in extensive on- and off-track testing. INDY® Coupled Rear Suspension Legendary performance from the ride and handling experts. This proven design provides great ride quality in a conventional coupled design 600 Cleanfire® Engine This liquid-cooled Cleanfire® engine with semi-direct injection (SDI) deliver outstanding throttle response and instant acceleration. These powerful, efficient engines produce the impressive power-to-weight ratios that deep snow riders demand. Cleanfire® engines start easily and reliably and they calibrate automatically as the temperature and elevation change. These engines deliver impressive fuel economy in real-world riding situations, which, for Polaris riders, means aggressive, up-tempo riding, not low-rev lab conditions. INDY® PRO-RIDE Seat A wider surface right where a rider plants for seated riding provides enhanced comfort during long days on the snow, and the seat design allows easy transition between seated and standing positions. PRO-STEER Ski The PRO-STEER ski features a reshaped keel and shortened skag for reduced steering effort. Redesigned ribs atop the ski increase torsional stiffness for more precise steering, and bosses added atop the ribs provide traction to prevent slipping when a rider steps on the ski in deep snow. Right Hand Controls A redesigned throttle block and a separate kill switch perch that can be positioned independently for improved ergos and ability to tailor your controls. One-Piece Handlebar The one-piece handlebar features clean, durable construction. It enhances ergonomics with full-length grips that improve comfort and control, and the heater elements extend to the ends of the bar for greater hand comfort.