ljk2008 wrote:I have a 1967 cb77 superhawk the i got for free out of my nieghbors back yard, I've rebuilt the carbs, replaced the battery, filters, coils, rectifier,headlight,throttle cable, and sparkplugs. It will only run on one cylinder if i take the spark plug out of the one that runs the other one will run. I thought maybe one of the valves is sticking or something.
It certainly doesn't sound like a valve problem to me; I'd suggest replacing the condenser as a starting point; but first & foremost, have you followed The Emo Tune-Up Recipe?
http://www.honda305.com/cb77_700/cb77-716.htm prescribed by our resident deity, LOUD MOUSE.