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YZ450F Monster Energy Yamaha Racing Edition

Key Features

Features Gallery
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    Monster Energy Yamaha Racing Edition bodywork

    Featuring exclusive Monster Energy graphics as well as unique black bodywork with blue detailing – plus matching blue wheels – the YZ450F Monster Energy Yamaha Racing Edition offers every motocross rider the chance to get a taste of some factory bike magic!

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    Yamaha Power Tuner app

    Simply download the free app to your smartphone, and by using your bike’s wireless connectivity you can adjust fuel/air mix and ignition timing to suit your riding style, as well as different tracks and conditions. What’s more, this innovative system also lets you access valuable engine and maintenance data.

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    Handlebar-mounted 2-mode mapping switch

    Once you’ve selected your two preferred engine maps and preloaded them for your riding session using the Power Tuner app you can select your preferred mapping using the handlebar-mounted switch. This on-the-fly adjustment enables you to switch the mapping mode – with the throttle shut – while riding, to give you ultimate control in all conditions.

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    Ultra-compact 450cc engine

    Equipped with a high compression cylinder head as well as a durable forged piston and aggressive camshaft profiles, the compact 450cc engine gives you the best balance of race-winning performance together with ultimate controllability. Delivering torque-rich power right where you need it, the 2021 YZ450F Monster Energy Yamaha Racing Edition has the ability to take you to the top.

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    Lightweight rearward-slanted cylinder

    The YZ450F Monster Energy Yamaha Racing Edition’s light and compact rearward-slanted cylinder is positioned in the chassis to ensure excellent mass centralization. Together with the high-efficiency reversed cylinder head as well as the long and straight inlet and a high compression piston, this sophisticated design gives you race winning performance in all conditions.

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    Compact electric starter

    The 450cc engine is equipped with a compact and lightweight electric starter that gives push-button convenience and saves you valuable seconds when you need to restart under pressure during a race. Powered by a high capacity four-cell lithium-ion battery, it helps to keep the 2021 YZ450F Monster Energy Yamaha Racing Edition’s weight down to a minimum.

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    Launch Control System

    The YZ450F Monster Energy Yamaha Racing Edition’s Launch Control System (LCS) optimizes the engine’s power output and running characteristics during the first few seconds of the race after the gate drops. By helping to transmit power more efficiently, the LCS gives you greater controllability off the line, increasing your holeshot-winning performance every time.

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    Advanced fuel injection system

    The compact 450cc engine is equipped with a highly advanced Mikuni® fuel injection system. Featuring a lightweight 44mm throttle body, this advanced system is fed by a high pressure electric pump that ensures optimum atomization for excellent running performance in a wide range of riding conditions.

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    High efficiency angled radiators

    To keep the high-performance engine running efficiently, Yamaha’s engineers have developed enhanced radiators that are angled to directly face the incoming air – so that even in the most demanding race conditions they are designed to deliver reliable and effective engine cooling for winning performance.

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    Mass-centralized wraparound exhaust

    For enhanced mass-centralization the YZ450F Monster Energy Yamaha Racing Edition is fitted with a wraparound exhaust that snakes around the cylinder, and this design enables the fitment of a muffler that is mounted further forwards. Combined with the rearward-slanted cylinder, this design helps to keep weight close to the bike’s centre for light and agile nimble handling.

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    Lightweight aluminium frame

    In order to achieve the best balance of chassis strength and rigidity, the YZ450F Monster Energy Yamaha Racing Edition’s bilateral beam frame uses varying thicknesses of aluminium throughout its structure. The desired rigidity balance is also achieved by using a special combination of steel and aluminium engine mounts for agile handling and precise cornering.

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    Class-leading suspension

    Just check out what other riders say about Yamaha’s suspension and you can be sure that the fully adjustable AOS-type KYB® forks with speed sensitive damping deliver best-in-class handling. With the fully-adjustable link-type rear end and specially tuned KYB® shock, the YZ450F Monster Energy Yamaha Racing Edition’s suspension system provides exceptional chassis performance.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke, Liquid-cooled, DOHC, 4-valves, Rear ward slanting single cylinder
    Displacement
    450cc
    Bore x stroke
    97.0 mm x 60.8 mm
    Compression ratio
    13.0 : 1
    Lubrication system
    Wet sump
    Clutch Type
    Wet, Multiple Disc
    Ignition system
    TCI
    Starter system
    Electric
    Transmission system
    Constant Mesh, 5-speed
    Final transmission
    Chain
    Carburettor
    Fuel Injection
  • Chassis
    Frame
    Semi double cradle
    Caster Angle
    26º55
    Trail
    120mm
    Front suspension system
    Upside-down telescopic fork
    Rear suspension system
    Swingarm, (link suspension)
    Front travel
    310 mm
    Rear Travel
    317 mm
    Front brake
    Hydraulic single disc, Ø270 mm
    Rear brake
    Hydraulic single disc, Ø240 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
    330 mm
    Wet weight (including full oil and fuel tank)
    112 kg
    Fuel tank capacity
    6.2litres
    Oil tank capacity
    0.90litres