Top Features Genesis 499cc 4-stroke Engine: A clear leader in its class, the lightweight and dependable sport–Performance Genesis twin was designed specifically to deliver a quick revving and torque laden power band. An advanced fuel injection system ensures consistent and efficient performance, while a counterbalanced crankshaft results in a smooth and super-crisp throttle response. KYB Aluminum Front Shocks: Premium, aluminum bodied, high-pressure gas shocks deliver consistent Performance and Comfort with excellent fade resistance. The shocks are also rebuildable, ensuring you season after season of consistent Performance with proper maintenance. HPG Rear Shocks: High Pressure Gas (HPG) shocks with strong 36mm bodies are calibrated to deliver consistent performance and comfort with excellent fade resistance. Lightweight YZ Style Seat: Inspired from our family of motocross bikes, the lightweight seat is taller and narrower than a traditional snowmobile seat, providing greatly enhanced ergonomics for an active riding experience. Tuner II Skis: Developed exclusively by Yamaha engineers, the Tuner II Ski incorporates a dual keel design that can be calibrated through various runners and carbide lengths for rider preference. The Tuner II Ski dramatically reduces darting and steering effort while retaining predictable and sharp handling characteristics. Pro Mountain 144 Rear Suspension: Designed for maximum flotation, comfort, bump absorption, and flickable ergonomics, the narrowed ProMountain 144 rear suspension utilizes a cam-mounted front shock for improved motion ratio, and a rear cantilever system for consistent track tension. 1.5-Inch Freeride Track: Narrowed to complement the nimble and ergonomically friendly cockpit of the Phazer, the crossover X-TX features a versatile 14 inch wide Free Ride™ track with 1.5-inch lugs that is equally adept on and off trail.