The info I had to give came from the Bing Carburetor Manual which is really cheap. It may even be in a newer edition, mine is 2001 dated. This cost $11 from the Bing people. Their web site, where you can order the manual is;
Sometimes people order parts from the Bing company direct. It's a funny part of the business but the carb parts are cheaper from a dealer or any of the other parts suppliers. That is except for a couple of things that only Bing stocks. These include the float needle seat which is sometimes needed.
They also sell an Alcohol Independent Float set up. Don't get it. Some will say it works. Most have not had any benefit and ended up taking them off.