I would turn the carb over and check the linkage between the Primary Blades and the secondary blades, hidden in the center base of the carb.
Also the blade alignment in the bores.
The idle should never hang at 2000 for a minute (which is a lifetime) vs what should happen.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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