2018 Yamaha WR250F


The DNA of the 2-straight MX & SX Champ YZ250F in a light, great handling machine perfect for tight trails and woods.

Additional 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

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.


  • 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.

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

Manufacturer Yamaha
Model Year 2018
Model WR250F
Model Code WR250FJ
Color Team Yamaha Blue



Front - 270 mm hydraulic single disc

Rear - 245 mm hydraulic single disc


Front - Dunlop® MX3S 80/100-21

Rear - Dunlop® MX3S 110/100-18


Length 85.2 in.
Height 50.4 in.
Width 32.5 in.
Weight Wet - 258 lb.
Ground Clearance Maximum - 12.8 in.
Wheelbase 57.7 in.
Seat Height 38 in.


Transmission Wide-ratio constant-mesh 6-speed
Final Drive O-ring chain


Engine DOHC 4-stroke, 4 titanium valves
Displacement 250 cc
Bore x Stroke 77 x 53.6 mm
Compression Ratio 13.5:1
Fuel System Yamaha Fuel Injection (YFI) Keihin® 44 mm
Fuel Capacity 2 gal.
Ignition TCI (Transistor Controlled Ignition)
Clutch Multi-plate wet
Cooling Liquid



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

Rake 26.33°
Trail 4.5 in.


Warranty 30 Day (Limited Factory Warranty)