TWO-STROKE TRACK SLAYER
The YZ250 is pure performance and full-throttle fun in a lightweight and reliable two-stroke machine.
Chassis / Suspension
- CLASS-LEADING ALUMINUM CHASSIS: A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250cc class.
- DUNLOP® MX33 RACE TIRES: Premium Dunlop® Geomax MX33 tires offer race-developed performance on a wide range of terrain.
- DURABLE EXCEL® PREMIUM WHEELS: Lightweight 21-inch front and 19-inch rear Excel® rims provide exceptional durability and a premium look.
- FULLY ADJUSTABLE KYB® REAR SHOCK: Fully adjustable KYB® shock offers exceptional rear wheel control and ride performance along with 12.4 inches of travel.
- HIGH-PERFORMANCE DUAL-DISC BRAKES: High performance brakes feature a 270mm front and 240mm rear rotor for superb braking power and feel.
- LIGHTWEIGHT REMOVABLE REAR SUBFRAME: Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
- SPEED SENSITIVE KYB® 48MM FORKS: Fully adjustable Speed Sensitive KYB® 48mm forks offer precise handling, superb bump absorption and 11.8 inches of travel.
Engine
- CARBON FIBER REED-VALVE PETALS: Special-design carbon fiber reed-valve petals improve the throttle response and engine performance across the entire rpm range.
- CLOSE-RATIO FIVE-SPEED TRANSMISSION: Smooth-shifting, close-ratio five-speed transmission with a heavy-duty, multiplate clutch ensures confident gear changes.
- DIGITAL CDI IGNITION SYSTEM: Digital CDI system delivers precise spark for faster, stronger response anywhere in the rev range.
- HARD-HITTING TWO-STROKE ENGINE: The 249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and fun with a wide, hard-hitting powerband.
- HIGH-CAPACITY COOLING RADIATOR: High-capacity radiator with dark louvers deliver maximum cooling efficiency and an aggressive look.
- PRECISION CARBURETOR: Advanced 38mm Hitachi Astemo® Keihin PWK38S carburetor provides precise fuel/air mixing and crisp throttle response.
- YAMAHA POWER VALVE SYSTEM (YPVS): Patented Yamaha Power Valve System (YPVS) combines crisp bottom-end acceleration with strong mid-range and top-end.
Key Features
- EXHILARATING TWO-STROKE POWER: Lightweight, compact and fun, the YZ’s 249cc liquid-cooled reed-valve-inducted two-stroke engine features the patented Yamaha Power Valve System (YPVS) that delivers crisp response and an incredibly wide, hard-hitting powerband.
- CLASS-LEADING KYB® SUSPENSION: Unmatched suspension elevates control and comfort and features a class-leading Speed Sensitive System 48mm inverted KYB® fork with a leaf spring in the mid-speed valve for more precise damping and increased performance. The fully adjustable KYB® rear shock features reduced-friction Kashima Coat internals, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for superior comfort and handling characteristics.
- AGGRESSIVE YZ STYLING: Race-ready styling starts with sharp embedded graphics and aggressive bodywork including front and rear fenders, it includes the blacked-out radiator shrouds and number plates, and even the smaller details like fork guards, rear brake disc and caliper protectors, along with wide foot pegs illustrating the YZ250’s extensive two-stroke racing pedigree from every angle.
- 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.
- PREMIUM WHEELS & TIRES: The YZ250 features premium, durable, and lightweight 21-inch front and 19-inch rear Excel® rims paired with race- developed Dunlop® Geomax MX33 tires delivering peek performance in a wide range of terrain.
Other Features
- COMPETITION-READY ADJUSTABLE DETAILS: Competition-ready features include two-position adjustable handlebar, wide foot pegs, and works-style clutch cable adjuster.
- EMBEDDED DURABLE GRAPHICS: Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
- FREEDOM-OF-MOVEMENT ERGONOMICS: Carefully considered ergonomic design includes a flat seat and slim, integrated body panels for greater freedom of movement.









































