Features ROTAX 600R E-TEC ENGINE: Following its big brother Rotax 850 E-TEC engine's lead with second generation E-TEC technology, the Rotax 600R E-TEC engine offers a 30% improvement in throttle response, crisp acceleration and sets a new 600 cc class standard with 125 horsepower while continuing to set the bar for reliability, and 2-stroke oil and fuel economy. REV GEN4 PLATFORM: The 4th generation of the REV platform is designed around aggressive trail riders with a narrow, compact package giving the rider more freedom to move and influence the sled. More centralized masses (especially side-to-side), light weight and industry-leading suspensions make the vehicle ultra responsive. PDRIVE CLUTCH: A major factor in the quickness of REV sleds is the new pDrive clutch. Fast and friction-free dual rollers transfer torque in place of traditional sliding buttons on this advanced clutch. The oversize rollers with needle bearings, wide flyweights and shaft-on-shaft design emphasize smooth operation and long life. Ultra-responsive shifting, impressive RPM consistency and 2.8 lb. (1.3 kg) lighter than the TRA VII. MULTI-FUNCTION ANALOG / DIGITAL GAUGE: Sharply-styled analog speedometer and tachometer are complemented by a multi-function three-zone LCD screen packed with data. RMOTION 129 REAR SUSPENSION: THE standard for control, capability, comfort and adjustability – with added traction, better braking and more bump filtration in 129 in. (327 cm) version. Separate spring and shock dynamics, plus the most rising-rate / progressive motion ratio in the industry give the rMotion suspension its supple ride in small bumps with added capability in large ones. Easy adjustments for shocks, springs and coupling block. RAS 3 FRONT SUSPENSION: Precise, predictable handling and outstanding bump absorption, even in harsh conditions, with State-of-the-art unequal length A-arm front suspension with rack steering.