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Single Minded: All-new WR250F for 2020

Single Minded: All-new WR250F for 2020

For the 2020 season Yamaha launch the quicker, stronger and lighter WR250F enduro bike that has been developed from the company’s winning YZ250F motocross machine.

The 2020 WR250F engine is closely based on the latest YZ250F design, and features a wide range of performance-boosting technology that gives stronger, linear power throughout the wide operating range. A new forged aluminium piston achieves a higher compression ratio of 13.8:1, and together with optimised exhaust cam timing and new intake port valve seats, these changes boost the engine’s low to mid-rpm torque levels to make this the ultimate E1 enduro weapon.
 
The new aluminium bilateral beam frame features a revised layout including straight fuel tank rails, and in order to achieve the desired balance of rigidity it is fitted with newly developed main engine mounts featuring additional external plates. The new design achieves around 15% increase in overall chassis rigidity to give a light and balanced feel, together with excellent feedback from the track surface.

Single Minded: All-new WR250F for 2020

This high performance 250cc 4-stroke also gets a bold new race-bred look that brings it in line with the new-for-2019 WR450F and the latest YZF motocross models. The new radiator shrouds and airbox cover give a smoother and more unified appearance, while the new sidepanels and rear fender give a more aggressive look – and to keep the bike looking good, the bodywork features tough new wear-resistant in-mould graphics.
Even though the new tank carries more fuel, the 2020 bodywork is actually slimmer than the previous design – and together with a flatter and lower seat, both the ergonomics and rider mobility are improved.
 
For 2020 the WR250F’s 6-speed wide-ratio transmission features a newly designed clutch that’s both lighter and tougher. Equipped with special heat resistant friction plates with a knurled finish, this new clutch gives a light feel at the lever and is designed to perform consistently and effectively for long periods in the toughest terrain.
 
The WR250F’s power characteristics can be wirelessly tuned via a suitable smartphone loaded with the Power Tuner app. Previously this was only possible with the Yamaha Power Tuner device, but now it is easier and quicker than ever to adjust the engine running settings.
Riders have the choice of 3 available factory mappings and the possibility to select from 16 adjustable values for fuel injection and ignition timing, giving a wide range of potential settings. The values are displayed on a 3D map for greater precision when adjusting settings in the desired rpm ranges, making it possible to fine tune the engine’s performance character to suit virtually every situation.
 
Yamaha’s front and rear suspension systems are widely regarded as being amongst the best if not the best in the off road world. For 2020 the WR250F is fitted with YZ250F type AOS (Air Oil Separate) front forks that use enduro-specific settings in order to be able to handle low and high speed riding situations on a wide range of hard and soft surfaces.
 
Discover the full Off Road Competition range.