Originally Posted by savannahmick

There is no binding or sticking but I do use a steel flywheel maybe the weight is causing it rev down slowly. I richened top and leaned bottom and it helped some but now I get a little high rev before it idles. I am right at flush or just a little below with both needles and running about 210-220F so it's not lean I don't think. Might be a air leak but not sure what can I buy to seal it up from local hardware store? It runs good a while idle for a long time but kind of unstable idle up and down. Thanks Again!