Powerful. Agile, Smooth. Improved. These are a few of the words being used to describe the new 2008 Yamaha YZ450F MX bike. From the reviews being written by testers of the new YZ450F mx I am getting the impression Yamaha has done a very good job improving this monster of the berms.

Introduced in 2003 the YZ450F was a logical next step to the YZ400F and YZ426F motorcross... Read More with Video