249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband.
Patented YPVS power-valve system combines crisp, hard-hitting, bottom-end acceleration with strong midrange and eye-opening top-end.
Special-design carbon fiber reed-valve petals improve throttle response and engine performance across the entire rpm range.
Smooth-shifting, five-speed, close-ratio transmission with heavy-duty, multiplate clutch.
Primary kickstarter ensures smooth, easy starting action and reduced weight.
Large-capacity radiator features a ten-row core with four louvers for maximum cooling efficiency.
38mm Keihin PWK carburetor with power jet and throttle position sensor (TPS) ensures precise fuel/air mixing and extra-crisp throttle response throughout the powerband.
Digital CDI ignition system delivers precise spark for faster, stronger response anywhere in the powerband.
Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.
YZ250F-style front-brake caliper and wave-style front and rear discs minimize unsprung weight and provide excellent stopping power.
The KYB 48mm forks feature the Speed-Sensitive System that uses piston speed to control damping force for super-precise handling and a smooth ride.
A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250 class.
Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Rear, fully adjustable KYB shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort all add up to fantastic rear wheel control and a sweet ride.
Lightweight 21-inch front and 19-inch rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension, performance and handling.
Tapered rear wheel spacers ease sliding the rear wheel into place for quicker tire changes.
Premium Dunlop knobbies offer race-spec traction and wear.
Wide, cleated, folding titanium footpegs are lightweight and provide excellent comfort, grip and ground clearance.
Special-design gripper type seat and fuel tank, forward-canted steering crown and low handlebar provide excellent movement and more comfortable ergonomics for riders.
Wide-diameter fuel tank cap ensures easier usage, while larger tank opening means faster, hassle-free refueling.
A light and strong ProTaper aluminum handlebar in adjustable mounts means comfort and control.
Premium drive chain has gold-colored plates for outstanding looks.
Use of light box-head bolts throughout the chassis eases maintenance while reducing weight and increasing performance.
Repackable exhaust silencer.
Durable, comfortable handlebar grips.