Been 258 MPH (1992) at Bonneville on 1000cc. That's faster than Project 260, but I did it in a car!
Been 241+MPH at Maxton, on a Turbo Busa- and that's faster than Project 260, for sure!
Been 203 MPH at Bonneville on a 700cc bike, All Motor, no nitrous, no nitro, no turbo! The record still stands in APG/G-750.