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YZ450F

Key Features

Features Gallery
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    Improved suspension settings

    Yamaha’s suspension is one of the best standard set-ups fitted to a production bike, and for 2022 the best-in-class SSS (Speed Sensitive System) front forks and the tried and tested monocross rear suspension feature revised low speed damping settings – for better handling and excellent feedback.

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    New lightweight chassis components

    Any reduction to unsprung weight makes a significant improvement in suspension performance, and the 2022 YZ450F is fitted with a new lightweight rear hub as well as a lighter chain that shave 0.2kg off the weight.

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    Ultra-compact high-tech 450cc engine

    The YZ450F’s 450cc reversed head engine is a proven MXGP race winner that has the performance to take the top step of the podium against the world’s best. The front facing inlet ensures optimum intake efficiency, and its compact dimensions help to centralize mass for sharper handling.

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    Launch Control System

    The YZ450F’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 starting line, increasing your holeshot-winning performance every time.

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    Robust clutch and transmission

    The robust 5-speed transmission benefits from specially-developed gears with a large surface area – and together with a heavy-duty clutch this delivers high levels of durability. And for a positive feel when shifting gear, the shift drum and selectors are designed to give a short stroke.

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    Lightweight aluminium beam frame

    In order to achieve the best balance of chassis strength and rigidity, the YZ450F’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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    Mass-centralized wraparound exhaust

    For enhanced mass-centralization the YZ450F 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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    New graphics and duo-tone body colours

    The latest generation Yamaha motocross bikes come with dynamic Icon Blue duo-tone body colours and new in-mould graphics, that are designed to resist wear and tear and keep looking good after many motos.

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    Easy-to-use Power Tuner app

    YZ450F riders can benefit from a smart piece of software that can give you a real advantage. Using your smartphone it’s simple to tune the engine’s power delivery with the Yamaha Power Tuner app. The easy-to-use system enables you to outperform the opposition in varying track and surface conditions.

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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 mapping using the handlebar-mounted switch. This on-the-fly adjustment enables you to switch the mapping mode – with the throttle shut – while riding, giving you the ultimate control in all conditions.

Technical Specifications

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  • Engine
    Engine type
    Liquid-cooled, Rear ward slanting single cylinder, 4-stroke, 4-valves, DOHC
    Displacement
    450cc
    Bore x stroke
    97,0 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
    5-speed, Constant Mesh
    Final transmission
    Chain
    Carburettor
    Fuel Injection
  • Chassis
    Frame
    Semi double cradle
    Caster Angle
    26° 55′
    Trail
    120 mm
    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 Tube type
    Rear tyre
    120/80-19 63M Tube type
  • 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)
    111 kg
    Fuel tank capacity
    6,2 L
    Oil tank capacity
    0,9 L