I don't doubt the MPH claims, even 600s should be able to attain 160+ given enough room.
Since it's cause some contention, I was referring to 100MPH wheelies without serious mods. You do see videos, showing the speedo at 100+ but what you don't see is the gearing. Wheelies are the result of too low of an RPM and applying power. 100+ in itself requires a high RPM and gear.
My Busa has a bone stock motor and length, with some minor gearing and I've lost enough weight that is comparable to a 1000 maybe even lighter. Took 20lbs off the front end alone.
No way it's coming up at 100mph.
Wanted to also point out that both my ZX7R and my FZ1 do 100+ in second gear.