A forged piston features a bridge-box design for maximized strength with minimal weight.
A compact, centrally-mounted electric starter system simplifies starting and minimizes restart delays for added convenience.
The YZ250FX features a large-diameter 15-plate clutch to withstand the extreme demands of cross country racing.
A six-speed transmission ensures the right gear is available for the wide variety of terrain found in cross country racing.
Handlebar-mounted switchbox allows on-the-fly selection between two preloaded engine maps with the push of a button.
New for 2026, an industry-first ECU lock function helps prevent theft and unauthorized engine start-up.
An updated Launch Control System controlled through the Power Tuner App optimizes launches when the gate drops.
Four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
A “Simple Tuning” slide bar simplifies engine mapping within the Power Tuner App.
An innovative exhaust pipe design improves mass centralization and power characteristics.
A more efficient intake path and revised ECU settings result in better top-end performance and improved over-rev character.
The adjustable fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration.
A redesigned cam chain improves durability.
Intake ports, cam profiles, high-strength connecting rod and optimized crank combine to produce potent high-rpm power.
The piston, rings and DLC-coated piston pin, along with the offset cylinder configuration, all reduce friction loss.
The YZ250FX's 250cc four-stroke engine is renowned for broad, useable power and class-leading low-end and mid-range torque.
Yamaha's industry-leading Power Tuner App allows owners to tune air/fuel mixture and ignition timing to suit their preference.
A linkage-type rear suspension with KYB® shock is tuned to provide less pitch and improved stability.
Premium Dunlop® Geomax MX33 tires maximize traction while delivering excellent durability.
Strong, lightweight wheels reduce unsprung weight without sacrificing durability.
Wide 55mm foot pegs provide additional control and comfort.
Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts.
The rider triangle is improved with increased legroom between the seat and foot pegs for greater rider comfort.
The YZ250FX's aggressive body design is slim, flat and eases rider movement for improved control.
Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control.
KYB® fork includes a hand-adjustable knob for easy compression adjustments.
Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption.
A redesigned aluminum bilateral beam frame is tuned to provide the perfect balance of stability and cornering performance.
Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing.
Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance.
Built for enduro with a 2.1-gallon fuel tank, rugged plastic skid plate, 18-inch rear wheel and sealed drive chain.
*Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.