Originally Posted by moonie527
I've noticed that mine has acquired the habit of idling around 3k when it is warmed up with the choke in. I assume it is an air leak and tried spraying some carb cleaner around the carb boot but there was no noticeable change in rpm or anything. I pulled the air filter and the foam element has a large hole in the center and the rest was crumbling away. Could this be the cause or should I look for something else?
That hole in the filter is 99,9% to cause of the increased idling. Replace the filter, and then you'll see what you're up against.