During the same year, Yamaha launched its first motorcycle, the YA-1, which was equipped wit... read more The 2002 YZ450F is the top-drawer dirt bike in Yamaha's line-up , and it comes with a new ...

Yamaha points to "the push for more environmentally ... There are two XEMX conversion kit versions for YZ250F and YZ450F dirt ...

However, as the times change, so do the demands of these dirt bikes. In designing an aluminum frame for the YZ450F, Yamaha sought to retain the lightness aluminum frames are known for while tuning it ...