if you're thinking of sticking some handguards on your wr250f, specifically yamaha's/cycra'a triple clamp mount pro bends, here's some info and pics for you...
http://www.thumpertalk.com/ubb/Forum10/HTML/000361.html
the wrooster
http://www.thumpertalk.com/ubb/Forum10/HTML/000361.html
the wrooster