high rpm

Somewhat recently, I purchased a second hand 83 Suzi gs450. With the aid of my father, who had ridden bikes in his earlier years, we both looked over the bike before I bought it. This bike had undergone a hard-tail conversion, as well as some strange rewiring (though it functions as normal.) The...

Hello all, I recently bought a 1980 Honda CB900 Custom from a guy who hasn't ridden it in quite a few years (he estimated that it had been at least 10 years). When I got it home, I replaced the air cutoff valve and then tried to start it. It started pretty hard (which was to be expected...