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Key Features

Features Gallery
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    Slim and compact body

    As soon as you get on this cutting-edge race bike it feels slimmer and more compact. The smaller 6.2-litre fuel tank and redesigned airbox permit the use of new concave shrouds featuring a larger knee grip area that gives added controllability. As well as reducing weight, this slimline bodywork also underlines the feeling of lightness and agility.

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    Lightweight electric starter

    The fitment of an ultra-light and extremely compact electric starter gets you up and running at the push of a button. Weight is kept low by the use of a lithium-ion battery, and the electric start's unique design means that the engine's compact external dimensions are the same size as before.

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    Advanced suspension

    The YZ450F is the most complete racing package, and as well as its advanced engine and frame, this MXGP-bred winner runs with trick suspension systems. The class-leading AOS forks feature internals and settings that result in better damping performance - and the rear shock comes with a lighter spring and increased reservoir capacity.

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    Lightweight frame

    We've developed a bilateral beam frame that gives increased longitudinal, lateral and torsional rigidity for sharper handling, giving you a real advantage on every corner. And for greater stability and controllability, the electric start engine is repositioned in the lightweight frame.

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    Lower, slimmer and flatter seat

    As well as the smaller tank and slimmer shrouds, the YZ450F benefits from a seat that is around 20mm lower at its rear section and 8mm lower at the front – as well as being 9mm slimmer. This gives a much flatter seating position, giving you increased front/rear mobility when shifting your weight forwards or backwards.

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    Dynamic MXGP-bred design

    The YZ450F projects a dynamic and coordinated look that complements its advanced engine and chassis technology. A lower and flatter seat gives improved rider mobility, while the front fender as well as the slimmer shrouds and smoother sidepanels reinforce its athletic MXGP-bred factory bike styling.

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    New axle brackets & wheel collars

    To give improved feedback from the track surface when braking, the YZ450F’s forks are fitted with larger front axle brackets featuring new shape wheel collars that ensure a higher level of front end rigidity. The increased sensitivity enables you to assess the front wheel traction levels more accurately, giving you greater control.

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    Power Tuner smartphone app

    Connect with your dirt bike like never before with the world’s first smartphone app for our Power Tuner! Using your device's touch screen, you can instantly fine-tune your fuelling and ignition settings to achieve optimum performance. And the sharing function also allows you to compare your settings and race logs with other YZ450F riders!

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    Reverse head engine

    With its high-tech reverse head engine, this YZ450F gives you a wide spread of power for maximum race-winning potential. Featuring a higher compression head, piston, cam profiles, cylinder geometry, air intake, ECU and much more - this MXGP-bred design gives you the factory performance you need to power into the victorYZone!

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke, liquid-cooled, DOHC, 4-valves, rear ward slanting single cylinder
    Displacement
    449cc
    Bore x stroke
    97.0 mm x 60.8 mm
    Compression ratio
    12.8 : 1
    Maximum power
    -
    Maximum Torque
    -
    Lubrication system
    Wet sump
    Clutch Type
    Dual side grinded clutch plate
    Ignition system
    TCI
    Starter system
    Electric
    Transmission system
    Constant Mesh, 5-speed
    Final transmission
    Chain
    Fuel consumption
    -
    CO2 emission
    -
    Carburettor
    Fuel Injection
  • Chassis
    Frame
    Bilateral Beam frame
    Front travel
    310 mm
    Caster Angle
    27º15
    Trail
    121mm
    Front suspension system
    Upside-down telescopic fork
    Rear suspension system
    Swingarm, (Link type suspension)
    Rear Travel
    317 mm
    Front brake
    Hydraulic single disc, Ø270 mm
    Rear brake
    Hydraulic single disc, Ø245 mm
    Front tyre
    80/100-21 51M
    Rear tyre
    110/90-19 62M
  • Dimensions
    Overall length
    2,185 mm
    Overall width
    825 mm
    Overall height
    1,285 mm
    Seat height
    965 mm
    Wheel base
    1,485 mm
    Minimum ground clearance
    335 mm
    Wet weight (including full oil and fuel tank)
    112 kg
    Fuel tank capacity
    6.2litres
    Oil tank capacity
    0.95litres