.carburetor untested (could not test) cleaned in ultrasonic cleaner - bowl is fairly clean and seat was polished - all passaged blown out with compressed air, all passages I can test appear to be open (air or light used for testing) has some oxidation and wear from use - may need new bowl gasket (untested) & carb will need some adjustment for your engine - sold AS-IS untested 

from a ATC 185S vin# TB0100BC122783 vin decoder shows 1981 year but parts diagram looks like a 82

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