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2018 YZ250F

Key Features

Features Gallery
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    High performance cylinder head

    The YZ250F has a reverse cylinder head, and features high lift cam profiles as well as large diameter intake valves and strong valve springs. Fitted with a big bore front exhaust, this advanced power-boosting head gives you strong mid to high rpm pulling power for a real advantage from the drop of the gate.

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    Intake efficiency

    With its high revving design, the YZ250F sucks in tens of thousands of litres of fresh air in a typical moto, and in order to reduce pumping losses, the model features a short intake funnel. Combined with a throttle joint that gives a 5% larger opening into the raised intake port, this highly efficient design gives you more power.

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    Aluminium beam frame

    The YZ250F has an refined aluminium beam frame with a wider area behind the swingarm pivot point, giving higher torsional rigidty for increased handling stability. The steel engine mounting brackets enhance rideability, and the footrests give a roomier riding position with a lower centre of gravity.

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    High rigidity front forks

    The YZ250F’s Air Oil separate (AOS) front forks are regarded as being amongst the best in the class, and they are equipped with high rigidity outer tubes that give great rider feedback. The compression and rebound factory settings are revised compared with the previous model update, and fork oil capacity is set to deliver enhanced rideability.

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    Smooth transmission

    To handle the power, the transmission has wide teeth and modified dogs. Together with the shift cam and clutch activation, they give smooth, quick and positive shifting. The ECU features such ignition and fuelling map settings, as well as a high rev limit for superb over-rev feeling.

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    270mm front disc brake

    Braking power is just as important as engine power when it comes to reducing lap times, and the YZ250F is equipped with a large diameter 270mm front disc brake and a heat treated 245mm rear disc. This highly efficient system delivers high levels of stopping power with accurate feel and precise control, enabling you to brake harder and later.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    Single cylinder, liquid-cooled, 4-stroke, DOHC, 4-valves
    Bore x stroke
    77.0 mm x 53.6 mm
    Compression ratio
    13.5 : 1
    Maximum power
    kW (PS) @ rpm
    Limited power version
    kW (PS) @ rpm
    Maximum Torque
    Nm @ rpm
    Lubrication system
    Wet sump
    Clutch Type
    Wet, Multiple Disc
    Ignition system
    Starter system
    Transmission system
    Constant Mesh, 5-speed
    Final transmission
    Fuel consumption
    CO2 emission
  • Chassis
    Semi double cradle
    Caster Angle
    Front suspension system
    Upside-down telescopic fork
    Rear suspension system
    Swingarm, (link suspension)
    Front travel
    310 mm
    Rear Travel
    315 mm
    Front brake
    Hydraulic single disc, Ø270 mm
    Rear brake
    Hydraulic single disc, Ø245 mm
    Front tyre
    80/100-21 MS32
    Rear tyre
    100/90-19 MS32
  • Dimensions
    Overall length
    2170 mm
    Overall width
    825 mm
    Overall height
    1280 mm
    Seat height
    965 mm
    Wheel base
    1475 mm
    Minimum ground clearance
    330 mm
    Wet weight (including full oil and fuel tank)
    105 kg
    Fuel tank capacity
    Oil tank capacity