i havent ridden motocross since 2002 and i havent been paying to much attenion to dirtbikes...I've been caught up in all the quad stuff. I want to get back into racing now and i used to ride an 02 honda cr 250. My question is....can the 2 strokes still run with the 4 strokes? and which bikes are running good now?? as in brand...whose making the top 250s