Re: 15mm Bing clone issue

Jeff Parr /
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In my opinion anything after the choke needs to be sealed or it will allow non metered air in aka vacuum leak, by not using a top gasket air will flow around the slide causing a rich or lean problem. I think one of the biggest issues with leaks around the carb top other than the poor machining is over tightening the top and causing a slight bow to the top.

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