7 Great Western Highway, Parramatta NSW 2150

Connected as One

This is the most complete motocross package we’ve ever created. And it’s also the first production bike that allows you to connect wirelessly and dial in your own customised engine settings - and maximise your winning potential. The new lightweight electric start saves vital seconds when you’re under pressure – and the reverse-head engine gets a new high compression top end and optimised ECU for even stronger race winning power. With its new lightweight frame and refined suspension, this YZ450F gives you improved stability and agility over whoops and through corners. And its slim and compact new bodywork delivers total rider agility combined with factory bike looks.

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All New Electric Start

Running a compact high output starter motor and ultra-lightweight lithium-ion battery, the 2018 YZ450F brings the convenience of push-button starting to the racetrack for effortless restarts under pressure and relaxed riding when the clock isn’t ticking. The system is designed to add minimal weight while saving valuable seconds in a trackside re-start situation.

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World’s First Power Tuner Phone App:

The 2018 YZ450F is the world’s first production motocross bike with a wireless smartphone based engine tuner. The all new Yamaha new Power Tuner iOS® and Android® app and communication control unit connects the rider with the bike like never before. The new Yamaha Power Tuner app can make fuel and ignition mapping changes – uploaded wirelessly to the bike via the onboard Wi-Fi system – for the ultimate in track-side tuning.

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New Frame and Optimised Ergonomics

The all-new compact bilateral beam frame was designed for the best possible balance of bump absorption, stiffness and cornering.

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Industry Leading Suspension

The industry-leading, fully adjustable KYB® spring-type fork suspension with speed sensitive damping provides exceptional balance between handling and bump absorption for race-winning performance. In addition to new settings, cylinder diameter is up 1mm to increase rigidity and the mid-speed valve is has changed from coil to leaf spring for improved oil flow and damping.

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As well as the smaller tank and slimmer shrouds, the YZ450F benefits from a newly designed 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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The YZ450F is the most complete racing package, and as well as it advanced engine and frame, this MXGP-bred winner runs with trick suspension systems. The class leading AOS forks feature new internals and settings that result in even better damping performance - and the rear shock comes with a lighter spring and increased reservoir capacity

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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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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 new engine's compact external dimensions are the same size as before

Type 4-stroke, liquid-cooled, DOHC, 4-valves, rear ward slanting single cylinder
Displacement 449cc
Bore And Stroke 97.0 mm x 60.8 mm
Compression Ratio 12.8 : 1
Transmission Constant Mesh, 5-speed
Length / Width / Height 2,185mm x 825 mm x 1,285 mm
Seat Height 965 mm
Wet Weight 112 kg
Fuel Capacity 6.2 L