I believe it would be very competetive chassis-wise despite the forks. He should be able to grab every holeshot, I used to holeshot the Honda and Yamaha fourstrokes when the revolution started. Wish I never sold my '01. The 2000 in my avatar sold to a guy in Maryland......
I my area the 250 2 strokes race with the 450 4 strokes. Otherwise you have a health HP advantage over a 250 4 stroke. Cam.