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Chassis / Suspension

• HIGH PERFORMANCE BRAKING SYSTEM: The high performance braking system features a 270mm front rotor, 240mm rear rotor, large front pistons and rigid calipers, all combining to provide exceptional braking power and feel.
• INDUSTRY-LEADING KYB® FORK: The fully adjustable KYB® 48mm forks feature the Speed Sensitive System which uses piston speed to control the damping force for super-precise handling, superb bump absorption and 11.8 inches of suspension travel.
• ADVANCED KYB® SHOCK: Fully adjustable KYB® shock features reduced-friction Kashima Coat™ 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. It all adds up to fantastic rear wheel control and a sweet ride.
• ALUMINUM FRAME: A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250cc class.
• LIGHTWEIGHT SUBFRAME: Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
• EXCEL® RIMS: Lightweight 21-inch front and 19-inch rear Excel® rims provide exceptional durability and a premium look.
• RACE-READY TIRES: Premium Dunlop® Geomax MX33 tires offer race-developed performance on a wide range of terrain.

Engine

• EXHILARATING TWO-STROKE POWER: The 249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and fun, with an incredibly wide, hard-hitting powerband.
• YAMAHA POWER VALVE SYSTEM: Patented Yamaha Power Valve System (YPVS™) combines crisp, hard-hitting bottom-end acceleration with strong mid-range and top-end.
• ADVANCED CARBURETOR: Advanced 38mm Hitachi Astemo® Keihin PWK38S carburetor with power jet and throttle position sensor provides precise fuel/air mixing and extra-crisp throttle response.
• RACE-DEVELOPED INTAKE: Special-design carbon fiber reed-valve petals improve the throttle response and engine performance across the entire rpm range.
• CLOSE-RATIO TRANSMISSION: Smooth-shifting, close-ratio five-speed transmission with a heavy-duty, multiplate clutch ensure confident gear changes in all conditions.
• HIGH-CAPACITY RADIATOR: High-capacity radiator with dark louvers deliver maximum cooling efficiency and an aggressive look.
• DIGITAL IGNITION: Digital CDI system delivers precise spark for faster, stronger response anywhere in the rev range.

New For 2025

• COMPETITION-INSPIRED MONSTER ENERGY® STYLING: Roll like a factory pro with this striking Monster Energy® Yamaha Racing Edition. Inspired by Yamaha's factory race team, iconic blue and black Monster Energy® livery combines with the YZ250's sleek, aggressive bodywork for a competition-ready look and feel.

Other Features

• RACE-READY FEATURES: Complete with an aluminum handlebar, two-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster, the YZ250 is competition-ready straight out of the crate.

Top Features

• EXHILARATING TWO-STROKE POWER: The 249cc liquid-cooled YPVS™-equipped reed-valve-inducted two-stroke engine is lightweight, compact and fun, with an incredibly wide, hard-hitting powerband.
• CLASS-LEADING KYB® SUSPENSION: The YZ250's renowned suspension performance offers unmatched levels of control, capability and comfort by way of the fully adjustable 48mm inverted KYB® front fork, including a leaf spring in the mid-speed valve for more precise damping, and the fully adjustable KYB® rear shock featuring reduced-friction Kashima Coat™ internals. It all adds up to class-defining suspension and handling characteristics.
• LIGHTWEIGHT FRAME: A carefully engineered, advanced aluminum frame and swingarm give the YZ250 class-leading track performance.
• RIDER-FRIENDLY CHASSIS: Well-tuned chassis and ultra-light weight means intuitive handling, less rider fatigue and a confidence-boosting sense of control.
• HIGH PERFORMANCE BRAKING SYSTEM: High performance front and rear brake setup offers exceptional braking power and feel.
• CONFIDENCE-INSPIRING ERGONOMICS: A carefully considered ergonomic design includes a flatter seat, narrow fuel tank, smoothly integrated body panels and slim shroud width to enable greater freedom of movement forward and back, allowing the rider to easily shift body weight for increased control and confidence.