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YZ250

Key Features

Features Gallery
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    Newly-designed slimline bodywork

    The YZ250 2-stroke comes with newly-designed slimline bodywork that gives this legendary bike a sharp and athletic look. The fuel tank and radiator shrouds are narrower than the previous model, giving a much more compact riding position with enhanced mobility and even higher levels of cornering agility.

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    Powerful braking system

    Braking performance is taken to the next level with a powerful new front brake set-up that uses a more rigid twin-pot caliper with larger diameter 25.4mm pistons, that give a much larger pad contact area. And the new 240mm rear disc reduces weight while maintaining the same level of stopping power.

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    Industry-leading KYB suspension

    Yamaha’s SSS (Speed Sensitive System) KYB front forks are top of the class, and on the new model the low speed damping settings at the front and rear are revised to give improved handling.

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    High-efficiency air intake

    By redesigning the sidepanels, rear fender, seat base and rear frame, Yamaha’s engineers have reduced the resistance to fresh air entering the intake. Together with a redesigned exhaust system this gives a more efficient engine operation for stronger performance.

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    Race-bred ergonomics

    The YZ250 is already regarded as one of the most agile handling dirt bikes, and with its new narrower bodywork and a flatter seat you’ll find it easier to shift your bodyweight when braking, cornering or accelerating – giving you a higher degree of control.

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    New generation colour and graphics

    The slim new bodywork is finished in new generation duo-tone colour scheme featuring a combination of Icon Blue and matte dark blue, along with new wear-resistant in-mould graphics.

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    250cc YPVS 2-stroke engine

    The YZ250’s outstanding 250cc 2-stroke engine delivers instant power on demand. Equipped with a torque-boosting YPVS (Yamaha Power Valve System) and driving through a 5-speed transmission, this compact and lightweight powerplant loves to race hard.

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    Lightweight chassis

    The lightweight aluminium chassis is manufactured with a built-in rigidity balance, that is designed to allow a certain amount of flex that gives valuable feedback.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    Liquid-cooled, Single cylinder, Reed valve with YPVS, 2-stroke
    Displacement
    249cc
    Bore x stroke
    66,4 x 72,0 mm
    Compression ratio
    8,9 - 10,6 : 1
    Lubrication system
    Premix
    Clutch Type
    Wet, Multiple Disc
    Ignition system
    CDI
    Starter system
    Kick
    Transmission system
    5-speed, Constant Mesh
    Final transmission
    Chain
    Carburettor
    Keihin PWK38S/1
  • Chassis
    Frame
    Semi double cradle
    Caster Angle
    27° 40′
    Trail
    122 mm
    Front suspension system
    Telescopic fork
    Rear suspension system
    Swingarm, (Link type suspension)
    Front travel
    300 mm
    Rear Travel
    315 mm
    Front brake
    Hydraulic Single Disc, Ø270 mm
    Rear brake
    Single Disc, Ø240 mm
    Front tyre
    80/100-21 51M Tube type
    Rear tyre
    110/90-19 62M Tube type
  • Dimensions
    Overall length
    2.185 mm
    Overall width
    825 mm
    Overall height
    1.290 mm
    Seat height
    975 mm
    Wheel base
    1.485 mm
    Minimum ground clearance
    360 mm
    Wet weight (including full oil and fuel tank)
    103 kg
    Fuel tank capacity
    7,0 L
    Oil tank capacity
    0,7 L