I just picked up a head for my 77 CB550 for a song. I never was able to get my exhaust stud drilled out properly, so my new pipes are sort of munged onto my #3 cylinder. Not bad, though, it seems to get a seal.
Since I have this head, though, I'm wondering what should I do to it? There's nothing there but the head, valves, springs, and retainers. Are there bearings that meet the cam? I'd imagine those need replacing. Maybe port it?
Any suggestions, since I'm pulling the lid off?