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Key Features

Features Gallery
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    Revolutionary 250cc 4-stroke engine

    Equipped with 4 titanium valves, the revolutionary rear slanted liquid cooled 250cc fuel-injected DOHC 4-stroke engine gets a remapped ECU giving optimised power and an improved rev limiter. For balanced power output with boosted reliability, the bottom end features a revised crank balance ratio and a nickel-chomoly steel con rod.

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    New reverse cylinder head

    The new reverse cylinder head has shorter intake and exhaust ports for stronger top end power, while new cams and valve springs enhance the low to mid-range torque. And for a broad band of balanced performance, the WR250F gets a new lightweight flat top piston and hardened DLC-coated low friction piston pin, as well as a new crank and con rod.

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    Compact new YZ250F-type aluminium chassis

    To optimise the performance gains of the upgraded engine, the WR250F comes with a new lightweight YZ250F-based bilateral aluminum beam frame. Its compact design offers an idealised balance of strength and rigidity, giving you the confidence and ability to take full control over all types of extreme terrain, at high and low speeds.

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    Mass centralisation

    The mass centralised design is a concept we pioneered and it's what gives the WR250F the edge over the competition. By locating major components like the fuel tank, cylinder and exhaust system close to the centre of the chassis, we've been able to create an agile handling enduro bike, giving Yamaha riders a real advantage - all day long.

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    Optimised suspension settings

    The enduro-specific suspension runs with optimised settings for enhanced control. The KYB® 48-mm upside down AOS front forks give speed-sensitive damping for class-leading performance on varied terrain. And at the rear end this high-tech 250cc 4-stroke runs with a link-type Monocross rear suspension system and KYB® shock for ultimate traction.

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    Smoother enduro clutch and wide-ratio 6-speed transmission

    The WR250F's transmission is equipped with a clutch that has been specially developed to handle hour after hour of punishment. A newly designed push lever gives even smoother clutch action - and to optimise the stronger performance of the upgraded engine, there's a purpose-built wide ratio 6-speed transmission.

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    Yamaha Power Tuner

    The Yamaha Power Tuner allows you to adjust the WR250F's performance character to suit different riding conditions. This plug-in accessory gives you a wide range of engine tuning options that enable you to select your own custom settings from the newly developed 3D mapping. With the Power Tuner you now have factory tuning technology at your fingertips!

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    Switch-free electric starter

    For easy and reliable starting every time, this next generation enduro bike is equipped with a switch-free ignition system that enables you to fire the engine up with one push of the electric start button. And to reduce the WR250F's overall weight, the kickstart mechanism has been removed.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke, liquid-cooled, DOHC, 4-valves
    Displacement
    250cc
    Bore x stroke
    77.0 mm x 53.6 mm
    Compression ratio
    13.5 : 1
    Maximum power
    -
    Maximum torque
    -
    Lubrication system
    Wet sump
    Clutch type
    Wet, Multiple Disc
    Ignition system
    CDI
    Starter system
    Electric
    Transmission system
    Constant Mesh, 6-speed
    Final transmission
    Chain
    Fuel system
    Fuel Injection
  • Chassis
    Frame
    Semi double cradle
    Front travel
    310 mm
    Caster angle
    26º10
    Trail
    114mm
    Front suspension system
    Upside-down telescopic fork
    Rear suspension system
    Swingarm, (link suspension)
    Rear travel
    318 mm
    Front brake
    Single Disc, Ø250 mm
    Rear brake
    Single Disc, Ø245 mm
    Front tyre
    90/90-21 54M
    Rear tyre
    130/90-18 69M
  • Dimensions
    Overall length
    2,165 mm
    Overall width
    825 mm
    Overall height
    1,280 mm
    Seat height
    965 mm
    Wheel base
    1,446 mm
    Minimum ground clearance
    325 mm
    Wet weight (including full oil and fuel tank)
    118 kg
    Fuel tank capacity
    7.5litres
    Oil tank capacity
    1.1litres
Always wear a helmet, eye protection and protective clothing. Yamaha encourages you to ride safely and respect fellow riders and the environment. Images displayed may depict a professional rider performing under controlled conditions or on a closed circuit. The unit displayed on the images may be equipped with genuine Yamaha accessories and/or non-Yamaha branded accessories which may be for closed-circuit use only. All information is given for general guidance. Specifications and appearance of Yamaha products, Yamaha accessories and non-Yamaha branded accessories are subject to change without prior notice. Non-Yamaha branded accessories are fully developed and produced by respected third parties. Yamaha does not guarantee the availability of the displayed products and accessories in local markets. The product and accessories range may be limited in some countries. Yamaha has the right to discontinue products and accessories without prior notice. Where applicable, prices of Yamaha products and accessories may vary according to local requirements and conditions. No rights can be obtained from this information. For further details and availability, please contact your local Yamaha dealer.