I've got a '79 CX500C, and it was running great until just recently. On a completely cold start, I can start it on 1/2 choke and it will run for about 30 seconds, at which point (choke or not), it will begin to roughen up and eventually die. After dying, it's difficult/impossible to get...

The other day I was riding around on maybe third gear at roughly 25 miles per hour with around 5000 rpms when suddenly I heard a pop noise and my rpms quickly dropped and I had to pull over. I turned the key off then back on but nothing was turning on at all. All the power had been cut so I...