A light aluminum frame housing a patented YPVS®
Power valve-equipped ripper of an engine results in
an awesome power-to-weight ratio.
The YZ250 is ready to race out of the crate, complete
with an aluminum handlebar, titanium foot pegs,
gripper seat, and Excel® rims.
Ultra lightweight means nimble handling with
249cc liquid-cooled reed-valve-inducted two-stroke engine
is lightweight, compact, and features an incredibly wide,
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
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
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 friction reducing 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 foot pegs 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 aluminum handlebar in adjustable mounts
means comfort and control.
Premium drive chain has gold-colored plates for
Use of light box-head bolts throughout the chassis eases
maintenance while reducing weight and increasing performance.