THE ULTIMATE OFF-ROADER
The DNA of the 2-straight MX & SX Champ YZ250F in a light, great handling machine perfect for tight trails and woods.
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Chassis / Suspension
- ROBUST ALUMINUM FRAME: An all-aluminum bilateral beam frame similar to the YZ250F provides strength, lightness and durability for all riding conditions.
- LIGHTWEIGHT SUBFRAME: Removable aluminum rear subframe constructed of square-section tube for reduced weight.
- ADVANCED SUSPENSION: Industry favorite fully adjustable KYB® spring-type forks with speed sensitive damping with Kashima Coat™ and a KYB® rear shock, also with Kashima Coat™ and featuring a large 50mm piston. Both the forks and rear shock are tuned specifically for Enduro riding.
- PURPOSE-BUILT TIRES: Special Enduro spec tires are used to maximize traction while delivering excellent wear.
Engine
- UNIQUE ENGINE TUNING: The revolutionary, rearward slanted, high-performance liquid-cooled 4- stroke, 4-valve, fuel-injected engine has been tuned for enduro riding.
- FUEL INJECTION: The fuel injection system uses 3-D mapped electronic control for the injection of fuel and ignition timing that are optimized for the challenges of enduro riding.
- 6-SPEED GARBOX: A 6-speed wide-ratio transmission is used to improve traction in all types of conditions.
- ELECTRIC START: Push button electric start makes starting the WR250F easy and convenient.
- RACE-READY COOLING: YZ-based radiators feature an electric fan, ensuring stable cooling performance in tight and slow riding conditions.
NEW IN 2018
- ENGINE: The cylinder head, piston, camshafts, transmission internals, ECU settings and a range of other internal updates, the 2018 WR250F features improved power delivery and enhanced durability derived straight from Yamaha's racing team development.
- FRAME: The 2018 WR250F features the same advanced frame as the YZ250F motocrosser, including new engine mounts, to revise the rigidity balance and improve rider feedback.
- RACING-DERIVED UPDATES: In 2018, the WR250F received a range of updates developed from the YZ250F and FX racing models, including new tires and revised suspension tuning, featuring a new fork seal wiper for durable sealing in the toughest conditions.
Other Features
- FULL-FEATURED INSTRUMENTATION: An onboard Enduro computer is standard and features speedo, odometer, average speed, clock and more.
- PRACTICAL TOUCHES: The WR250F features a headlight, taillight and skid plate. A side stand is standard for added rider convenience
Top Features
- COMPETITION READY: Revolutionary rearward slanted, liquid-cooled, DOHC 4-stroke power plant with 4 titanium valves based on the YZ250F™, with an added sixth gear and wide ratio transmission, among other modifications, make it perfect for Enduro competition.
- NIMBLE CHASSIS: Nearly the same bilateral beam frame that is found on the championship winning YZ250F is used on the WR250F™. It places the engine and fuel tank close to the center mass of the bike for extremely light and nimble handling character.
- FUEL INJECTION: A Keihin® 44mm throttle body fuel injection system is tuned for Enduro riding ensures smooth throttle response and easy starting in nearly all conditions. Plus the electric start button reduces rider fatigue.
- ADVANCED SUSPENSION: Industry leading fully-adjustable KYB® spring-type forks with speed sensitive damping and a KYB® rear shock, each tuned with Enduro-specific settings.
- ENDURO-SPECIFIC FEATURES: With a 2 gallon fuel tank, multi-function Enduro computer, 18-inch rear wheel, O-ring chain, skid plate and Enduro spec tires, the WR250F is ready to win right out of the box.
General Information
Brakes/Wheels/Tires
Brakes
Front - 270 mm hydraulic single disc
Rear - 245 mm hydraulic single disc
Tires
Front - Dunlop® MX3S 80/100-21
Rear - Dunlop® MX3S 110/100-18
Dimensions
Ground Clearance
Maximum - 12.8 in.
Drivetrain
Transmission
Wide-ratio constant-mesh 6-speed
Engine
Engine
DOHC 4-stroke, 4 titanium valves
Bore x Stroke
77 x 53.6 mm
Fuel System
Yamaha Fuel Injection (YFI) Keihin® 44 mm
Ignition
TCI (Transistor Controlled Ignition)
Operational
Suspension
Front - KYB® spring-type fork with speed sensitive damping, fully adjustable; 12.2 in. travel
Rear - KYB® single shock, fully adjustable; 12.5 in. travel
Other
Warranty
30 Day (Limited Factory Warranty)