crf swap question

[FLmxR911]

sup guys i currently am running a 250r and with with all the new 4 stroke movement i also have a 01 400ex was wonder what all is required and needed to put a crf 450 motor into the 400 frame gonna have about 5 grand to mess with it please let me know

[quad_quazy]

check out a thread from 8 or 9 Mar about that. I typed out a 500 word essay about what I just did. It cost me about $4500 including motor, kit, extras, welding, and PC. Man that thing rips, I love it