A new YZ250F-type cylinder head with a wider intake port and new exhaust camshaft gives more rapid mid to top-end performance while retaining the WR250F's strong low rpm torque -- and a new lightweight aluminium beam frame from Yamaha's motocross bike has been enduro-tuned to give the right balance of rigidity for more precise feel and accurate surface feedback over tough terrain.And a lighter and more powerful front braking system gives you ultimate controllability -- and special enduro features include a new multi-function meter and a revised exhaust and muffler design. The light-feeling clutch and 6-speed wide-ratio transmission are ready for the most extreme challenge -- and with the Power Tuner smartphone app and a 2-mode engine map switch, the intelligent WR250F can be set up to master virtually any riding conditions.