dont really like the chances of it
if you wanna go EFI, best bet is to adapt a set of EFI throttle bodies off a newer EFI bike... the yanks replace/upgrade them like they are going out of fashion, so there are plenty of complete throttle body setups including fuel rail, injectors and regulator for the us$100-150 mark. shipping might be another us$50 but still good value.
check out
this site for the specs and then have a look on ebay, search for ITB or throttle body or something similar, you'll get plenty of hits and they keep popping up regularly.
anything you get is gonna need a little modification, but not too hard. a megasquirt/microsquirt setup would be good to manage things, but a microtech, wolf3d, haltech etc etc will work fine, just bigger.