I f you are going that fast,make sure it aint got a 16 tooth front sprocket,that would explain the lack of power and the unheard of top speed.Stock is 15 teeth,most everyone drops to a 14.
2002 400 EX Yellow(2 more hp than red)
K&N filter w/outerwear
Dynojet kit
AC nerfbars
14 tooth renthal
146 main,stock pilot,screw out 3 turns-starts perfect with no choke.
No FEAR, No SHAME, No PROBLEMS
Cam 2 runeth through my viens.
Past rides:73 Honda SL70, 19?? Honda ATC 90, 83 Honda XR80, 82 Yamaha YZ80, 84 Yamaha YZ80, 87 Yamaha YZ80, 85 Kawasaki KX125, 82 Yamaha YZ 250, 88 Yamaha Banshee(much bling bling),87 Yamaha Warrior(mistake)