rebuild kit

Well about 7 years ago my M4700 left side boom cylinder leaked (linky) and I had it repaired at a reasonable price. But that guy seems no longer available and now my right cylinder needs rebuilding. Looking at Messicks a rebuild kit (just the rings) is about $50. Numerous Youtube videos...

Yesterday at a flea market I picked up the above blower for cheap. I am getting a little frustrated with it.. it will run on ether (just enough to test). But it is not getting gas. Pickup Filter is relatively clear, fuel line is in good shape. I want to get a rebuild kit for the carburetor...