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|  Open vacuum port? 
			
			I was looking over my '82 Johnson 150 and found an open vacuum port directly below the bottom carb.  I downloaded a manual but I can't find anything about the vacuum hoses.  Does anyone know what goes on this port?  Is it needed or can I cap it off?
		 
				__________________ '78 Cuddy with '82/'88 Johnny/Rude 150 | 
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