The Yamaha WR 450 F is a Dual Sport motorcycle manufactured by Yamaha Motor Company. It is a motorsport-style bike designed for both road and off-road use. The WR 450 F is powered by a four-stroke, single-cylinder, liquid-cooled engine, with a five-speed transmission that is mated to a sturdy, steel frame. The bike is equipped with a range of features, including a rear-suspension system that helps to provide smooth, precise handling. The Yamaha WR 450 F is a great choice for those looking for a dual sport bike with the performance of a race-ready machine.