2015 Yamaha YZ250F BIKE OF the YEAR. Motorcycles Motocross DX044106384626170164015 DX1 . Awarded the Dirt Rider's prestigious "Bike of the Year" and the 250 bike of choice by the majority of MX critics and experts the YZ250F features a powerful EFI engine lightweight chassis superior mass centralization and class-leading suspension components for improved high RPM power with truly instinctive handling...