Developed by Australian and NZ riders including former Grand Prix ace and Yamaha race team Manager Josh Coppins, the all-new WR450F is based on the latest YZ450F that dominated the world MXGP championship, utilising Yamaha’s innovative reverse cylinder head and rearwards slanting cylinder.
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By adopting the latest YZ-F derived engine layout together with the compact and light-handling YZ-F based chassis, the all-new WR450F delivers major improvements in terms of weight, power characteristics, agility and rideability.
Aimed at enduro racers, long distance rally riders and recreational riders, the new model WR450F looks set to build on its popularity down under where it has consistently been the top selling motorcycle. To underline the involvement that AUS/NZ has had with WR450F model development, Yamaha is offering a 60th Anniversary model to Oceania customers only.
This motorcycle is not designed or intended for continuous "on road" use. Yamaha WR models have been modified to enable ADR compliance and registration only to support their intended use as a competition or serious off road use enduro motorcycle. Please discuss intended use with your Yamaha dealer prior to purchase.
The WR450F engine features a reverse cylinder head with a front facing air intake and rear-exiting exhaust. By increasing intake and exhaust efficiency, this innovative layout enhances the engine's linear torque feeling, and delivers deep reserves of highly controllable and easy-to-use power.
Developed from the design used on the latest YZ450F, the aluminium bilateral beam frame runs with sophisticated front and rear suspension systems that deliver light and agile handling performance. The highly versatile and easy to ride character of the new chassis complements the strong and controllable linear torque feeling of the new engine, enabling the WR450F rider to exploit the bike's full potential.
Starting the WR450F on a cold day - or restarting a hot engine - is made easy with the newly designed electric starter. A new auto-decompressor system cuts in when the electric start is activated for easy starting, and the air supply to the engine can be increased by 40% for reliable cold starting. If for any reason the electric starter cannot be used, the WR450F is equipped with a kick-starter.
The WR450F uses the same forks as its motocross counterpart, but to ensure smoother low speed operation - combined with the ability to absorb harsh bumps - the WR-F model runs with dedicated enduro settings. Similarly, the YZ450F-based rear shock runs with revised settings that have been designed to handle the wide variety of low and high speed riding associated with enduro racing.
The WR450F is equipped with a full lighting kit, and to handle the extra demand on the electrical system, a high output ACM is fitted. The lightweight digital instruments include a multi-function display with an enduro computer that keeps the rider informed about their progress and distance covered - while a fuel level warning lets the rider know when it's time to refuel. There’s also a main switch-free starting system for speed and convenience.
The Power Tuner accessory offers riders a huge benefit by allowing customised fuel injection settings to fit their personal preferences
|Engine Type||Liquid cooled 4-stroke, DOHC, 4-valve|
|Bore x Stroke||97.0 x 60.8 mm|
|Compression Ratio||12.5 : 1|
|Lubrication System||Wet sump|
|Fuel Management||Fuel Injection|
|Starter System||Electric & Kick|
|Fuel Tank Capacity||7.5 L|
|Oil Capacity||0.95 L|
|Final Transmission||Chain drive|
|Seat Height||965 mm|
|Ground Clearance||325 mm|
|Dry Weight||117 kg|
|Wet Weight||123 kg with 7.5 litres of fuel|
|Frame Type||Bilateral Beam|
|Suspension Front||Telescopic fork, 310mm travel|
|Suspension Rear||Swingarm, 318mm travel|
|Brakes Front||Single disc, 270mm|
|Brakes Rear||Single disc, 245mm|
|Tyres Front||90/90-21 54M|
|Tyres Rear||130/90-18 69S+M|