Yamaha, the Japanese motorcycle manufacturer, introduced the original YZ motocross bikes in the 1970s. In fact, Yamaha created the very first single-shock production motocross bike. The line was ...

It's a no-brainer to pair these two Yamaha bad boys together as they both boast significant changes for '06. They both have raw, race-ready power, and stunning handling; liquid-cooled 449cc five-valve ...