wanna get racin

Jul 8, 2007
1) your physical size (both height and weight are important): 6'2"
2) How physical / aggressive are you ? average
3) what do you plan to ride- motocross
4) Do you have any riding experience? 5 years on a dirt bike and 1 on a quad
5) Do you think you will race ? yea
6) Are you mechanically inclined and will you be doing your own bike work? some of it
7) Do YOU have a preferance to a brand/ motor choice (2 or 4 stroke)? 4 stroke
8) How much ($) do you plan to spend on a bike? 4500
9) Do you live in California? no
10) Your age?17

what should i get guys? 250f or 450f, whichever sounds best please? and a good bike or two. thanks