yz250 

The best damn dirt bike ever made...2 stroke

Mikes Will always kill adam on his yz250

yz250 by Joseph Sillinger June 11, 2006

yz250f 

powerful four stroke motorcross dirt bike

yamaha yz250f

yz250f by evan full February 7, 2009

YZ 250 

Blue screaming dirt bike that is very fast. Highly aggressive power bands.

I was riding my YZ250 on the motocross track.

YZ 250 by mari0 December 14, 2003