Just bypassed all of mine. It was running reasonably well, but when I split the bank I found that almost all of my air cutoff diaphrams were in very rough shape. A few pinholes in some of them.
I'm expecting a performance increase.
1981 CB750K with 900 cams
90K KM's, rebuilt head, rebuilt carbs, upgraded valve stem seals
My wife's recipe website that I'm trying to help promote:
Strawberries for supper. Yes, I am a lucky man.