I did a supermoto conversion to my 03 YZ450f and kept all of the dirt parts to keep the transition to dirt, and back again throughout the upcoming year easy. I have been looking for an 03 450 as a beater,(instead of converting back and forth) but none in my price range. There are a few 250f's here and there, which has me thinking that maybe IF I can pick one up cheap enough that I'd have fun on it. I'm a former "B" motocrosser that loves to seat bounce every thing that I hit. The last time that I rode before this summer was 1990. I have always liked the bigger bikes, but if a 250F comes around cheap enough, I'm wondering if it would pull my 200lb +or- butt around a track. (play riding only). Kelly in Crapchester, NY.