“Yamaha’s YZ450F is good for ... (Jeff Allen/) According to Dirt Rider’s in-house dyno, bLU cRU manufactures the ...

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 ...