2020 Yamaha YZ250X 2-STROKES - 1 GOAL Engineered with all the reliability and durability you've come to expect from Yamaha, this 2-stroke was born to win X-country races. Features may include: ENGINE GNCC-Tuned YZ250 Power Based on the legendary YZ250 249cc liquid-cooled reed-valve-inducted two-stroke engine, the YZ250X utilizes a revised compression ratio, exhaust port timing, revised Yamaha Power Valve System (YPVS) timing, and a model-specific CDI unit ;all focused on creating a wide, controllable power character ideal for cross-country racing. Revised Power Valve The YZ250X features the patented Yamaha Power Valve System ;with broader opening timing compared to the YZ250 for smoother power ;to combine bottom-end acceleration with strong midrange and eye-opening top-end. CHASSIS/SUSPENSION YZ250-Based Frame A carefully engineered aluminum frame and swingarm give the YZ250X the famous handling proven by the championship winning YZ250 motocross machine on tracks around the world. Lightweight Subframe Removable aluminum rear subframe is constructed of square-section tubing for reduced weight. ADDITIONAL Cross-Country Ergonomics A racy "gripper" type seat and narrow fuel tank combine with a tapered aluminum handlebar and adjustable mounts to create greater freedom of movement and more comfortable ergonomics for riders. Cross-Country Features Off-road focused tires with an 18 ; rear wheel, wide-ratio gearing, a standard side stand, sealed O-ring chain and a reserve fuel petcock.