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Message: <blockquote data-quote="nccatfisher" data-source="post: 485128" data-attributes="member: 10811"><p>First off the reason it "screams" on the muff is it is running without a load. BAD idea, shouldn't do that. You need to adjust you carbs and see if it does better if not most likely you didn't get them totally cleaned. That is if you have them properly linked up and they are opening up in a synchronized manner.</p></blockquote><p></p>