249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and packs an incredibly wide, hard-hitting powerband.

Patented YPVS power-valve system combines crisp bottom-end acceleration with strong midrange and eye-opening top-end.

YZ250F-style front-brake caliper and wave type front and rear discs minimise unsprung weight and provide excellent stopping power.

Large-capacity radiator features a ten-row core and four louvres for maximum cooling efficiency.

Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low handlebar provide excellent rider ergonomics.

A carefully engineered, advanced aluminium frame and swingarm give the YZ250 excellent handling.

Special-design carbon fibre 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.

38mm Keihin® PWK carburettor with power jet and throttle position sensor (TPS) ensures a precise fuel/air mix and crisp throttle response.

Digital CDI ignition system delivers precise spark for faster, stronger response.

Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.

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.

Lightweight, removable aluminium rear subframe constructed of square-section tubing.

Rear, fully adjustable KYB shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. 315mm 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.