So far the claim is "all stock" with "better plugs" (which, judging by the pic, is merely a hotter plug versus the more expensive Iridium plugs etc) and "Shell 91" (which we all know works just as well as Shell 87 albeit at 30-40¢ more per gallon, the oil companies & their shareholders LOVE people like this).
His last post states he has no pilot jets. Now call me a skeptic, but that doesn't sound like a plausible modification for a bike that can go 25+mph faster than the rest of the Rebel population is capable of, let alone something that can even go the manufacturer & magazine claimed 75-85mph.
Folks, we're in the presence of a dudeman.