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

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

Other dirt bike riders found Maffia lying face-down, unresponsive, and were attempting life-saving measures when officers arrived. The blue Yamaha YZ450F dirt bike was on the ground in the sand ...