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			Yep, sounds like a float stuck or maybe trash in between the needle and seat not letting it close when the bowl is full. You can get a carb kit and go through it. Its not hard, really. Check the float, maybe saturated with gas making it too heavy, holding the needle open.
		 
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77 V20 cuddy with 170 I/O Mercruiser 
72 16ft. Carolina w/a 25hp Evinrude
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