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MDD

CCKB "Surging"

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MDD
Well, I finally got that old AC 720 together and running. It seems pretty good, but at 3/4 to full throttle, I get a consistent up and down engine "surging". Do I need to adjust the governer, clean the carb, or what?

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HubbardRA
Surging is usually a carburetor mixture problem. Clean your main jet. Use a single strand of wire and try to remove all varnish. Rod H.

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