The only issue is that site won't let me complete the registration process (they won't send the account confirmation email for some reason)There is a bunch in the link.
CBX250 | 2FIFTYCC.COM - Home of the Quarter Litre
2fiftycc.com
EDIT:
It looks like you have to pay for membership to download. Baring an absolutely insane cost (can't see the price without creating an account first), I would do that. It looks like the forum is still active for questions too.
Check spam/junk filter. It loves stuff like that.The only issue is that site won't let me complete the registration process (they won't send the account confirmation email for some reason)