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Chassis/Suspension

• An advanced aluminum bilateral beam frame is tuned to provide the perfect balance of stability and cornering performance.
• Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption.
• A linkage-type rear suspension with KYB® shock is tuned to provide less pitch and improved stability.
• A large 270mm front and 240mm rear disc combine with Nissin calipers to provide exceptional stopping power and control.
• The YZ250F's aggressive body design is slim, flat and eases rider movement for improved control.
• Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts.
• Wide 55mm foot pegs provide added control and comfort along with an updated bracket design that reduces weight.
• Strong, lightweight wheels reduce unsprung weight without sacrificing durability.

Engine

• A forged piston features a bridge-box design for maximized strength with minimal weight.
• The YZ250F features a large-diameter 15-plate clutch to withstand the high demands of motocross racing.
• Handlebar-mounted switchbox allows on-the-fly selection between two preloaded engine maps with the push of a button.
• 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.
• A three-level Traction Control System selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
• Yamaha's industry-leading Power Tuner App allows owners to tune air/fuel mixture and ignition timing to suit their preference.
• An innovative exhaust pipe design improves mass centralization and power characteristics.
• The optimized intake path boosts mid- to high-rpm performance and improves over-rev characteristics.
• The adjustable fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration.
• The piston, rings and DLC-coated piston pin, along with the offset cylinder configuration, all reduce friction loss.
• The YZ250F's 250cc four-stroke engine is renowned for its broad, useable power and class-leading low-end and mid-range torque.

Key Features

• ICONIC 70TH ANNIVERSARY EDITION STYLING: Celebrate seven decades of motorsports excellence with the 2026 YZ250F 70th Anniversary Edition. Iconic white and red speed block livery combines with the YZ250F's sleek, aggressive bodywork to commemorate the 1955 birth of Yamaha Motor Company in standout style.
• ADVANCED 250CC FOUR-STROKE ENGINE: The YZ250F 70th Anniversary Edition's liquid-cooled, DOHC 4-valve, fuel-injected powerplant features a forward-positioned straight downdraft intake with symmetrical intake ports, high-spec piston and aggressive cam profiles. The advanced four-stroke engine is known for its broad, useable powerband and class-leading low-end and mid-range torque.
• ADVANCED ALUMINUM BILATERAL BEAM FRAME: An advanced aluminum bilateral beam frame based on the flagship YZ450F provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lightweight feel and increased front wheel traction, allowing the rider to enter corners with greater confidence and more line choices.
• CLASS-LEADING KYB® SUSPENSION: Fully adjustable KYB® coil spring-type fork with speed-sensitive damping delivers exceptional balance between handling and bump absorption for championship-winning performance. The fork also includes a hand-adjustable knob for quick, toolless compression adjustments. Linkage-type rear suspension features a KYB® shock with revised settings to provide less pitch on corner entry/exit and improved stability.
• INNOVATIVE YAMAHA POWER TUNER APP: Yamaha's industry-leading Power Tuner App puts the flexibility and precision tunability of the GYTR® Power Tuner into your smartphone. Make fueling and ignition timing changes on the app, then instantly upload them to your bike for ultimate track-side tuning. The user-friendly app also features an intuitive “Simple Tuning” slide bar for quick engine mapping selections, Traction and Launch Control tuning, lap timer, along with helpful engine and suspension tuning guides. Best of all, it's free-of-charge.

Other Features

• Iconic white and red 70th Anniversary Edition livery combines with the YZ250F's aggressive bodywork for a stunning look.
• Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing.