There are a lot of things to be checked.A carburetor consists of nearly 25 parts.So there's a lot to check and i cant pen down each n everything.I hope you understand....
one important thing is that check for leaks in screws i.e screws should be fastened properly,so that air doesn't escape,which reduces the quality of the mixture.
14:1 is a ratio of air to fuel.i guess you understand ratio!!
