as far as mods now i have port, polish, bored .020 over, forged pistons, fmf fatties with turbine core 2 silencers, boost bottle, timing plate advanced 4 deg, and i am running holeshot hd's in the rear with xc's in the front, oh and i have been running 14-41 gearing but am switching to 13-41,
we drag all the time and i can get him in the long run but he has a lot done to his yfz too
i can beat my cousins suzuki 450 and of course stomp his predator, and even beat most other 450's to but i have problems with that just that friend