sorry I havent posted updates, I found that the rings and piston were just plain wore out. it was going to cost me over $110 to have it hones and get a new piston and rings so I opted to get a 70cc big bore kit from 1977 mopeds. parts just dropped on and other than a vacuum choke issue I had she started right up and I;ve been running it around in the snow covered detroit like a fool (got it regestered and all the lighting repaired) now I just have to track down a fuel leak, when I fill the tank I come back the next day to an empty tank...

I added an inline petcock like your previous owner did and this revealed that my leak is at the stock vacuum petcock, probably where it joins the tank. I'll tear down the tank and figure it out.