It’s good to see anything that stimulates interest in the sport of motorcycling, even if it is just a movie and as you see we really don’t want to discourage your interest here. You did set your sights pretty high with this one though, considering the reason they feature big Ducati motorcycles, is to portray a bunch of people living an extravagant life style. Eterneal gave excellent advice and if you can find a Ninja 250 or similar, fairing destroyed bike and you are handy with a wrench, you just might bring this thing in close to budget. …example:
It will help to figure out what attracts you to that particular machine, is it the color, lines, riding position, (or just the hot chick on the back;) then exercise some imagination how you can make it work. The thing I see first see when I look at the Ducati Streetfighter is the everything Black, except for those beautiful Gold anodized USD (Up Side Down) front forks. &BTW:( the forks and headlight alone would cost 2G’s) plus the ‘zig-zag girder’ style frame in silver which Gary pointed out as being imitated on the SV650. …The SV would make a better start point, but cost would surely be much higher than a Ninja, sure hope this helps some.
Search zimbio.com for “Wall Street Motorcycle” to find pictures of the actors riding the bike, I like the one where it’s securely bolted to a trailer. Also note where Shia’s actually riding the bike he maintains only 2 fingers on the clutch and brake, me thinks he had some training !