2007 Yamaha WR450F WR250F
…changes that are found on Dubya-Rs big and small. By naked eye alone, the new bikes are considerably changed from last year. Top to bottom, a set of ProTaper handlebars, an ovoid headlight, new graphics, flatter seat and 2.1 gallon YZ-F-style fuel tank, aluminum frame, full-coverage plastic skid guard,…