The sound of that air-cooled four screaming at 9000rpm is one of the greatest sounds produced by an internal combustion engine. I had the chance to buy a rough but workable KZ900(same thing, different name) and passed on it. ... http://cundalini.blogspot.com/2009/01/one-of-my-favorite-motorcycles.html
6000! I was scared to do 4000.lol I still have stock axles and transmission. I have a set of 31 spline and a rebuilt diff waiting to go in. Once I get those in i'll probably up the rpm's. Is that what you launch at? ... http://www.moddedmustangs.com/forums/5-0-mustangs/105172-track-results.html
