If this is a repost my bad but I watching this on TV the other night and caught this on SPEED Channel thought you guys in here might be interested in checkin it out.

I knew Jay Leno liked cars but this is freakin awsome.
http://www.rideontv.com/episodes/CRN0005/leno.html
OHHHHHH UNBEEEEVABLE :o

The sound was wicked, they mentioned on the show and in this article it is capable of 60,000 rpm

Try to catch the show, this web page doesnt do it justice, he jokes around about messign with HOG riders and messing with the people that live next to him when he starts it up. If nothin else lookin at the guy with the handle bar stash is good for a