Ok so this is some info that may help, and I'm gonna go ride again tonight to see but I was with my wife (combined weight of 450lbs) in north FL on flat ground with no other baggage. An from what I've read triumph limited it to 100mph. Also, I've ran alone with no baggage and came up with same results (which I'll be testing again tonight).
Part of the reason I ask all this is that I only get 35mpg even with rising rather conservative, I've got plenty of power but I don't feel the factory rated "62hp". I haven't found the local stealership and I can't find someone close that tunes or knows alot about this bike, so I'll be doing alot alone or carrying it to someone (if anyone knows someone close to Jacksonville FL) that knows more.
And last note, if someone does wanna write a staged performance book I would buy two!!