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			#1  
			
			
			
			
			
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|  Gas tank vent 
			
			Never seen a screw in gas tank vent in the side of the hull near the fill hole like this 86 CC has. Always seen a screen vent with the screen facing down and towards the stern on other boats. Do you guys screw it down tight or leave it slightly open?
		 
				__________________ 1986 V20 CC 2000 150 OptiMax 1978 Seacraft 23 CC Mako 21B | 
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			#2  
			
			
			
			
			
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			Never seen one like that either.  You sure you're looking at a gas tank vent and not a bilge discharge or something?     
				__________________ 1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless. | 
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			#3  
			
			
			
			
			
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			Like destroyer, not sure what your describing.  Sounds like someone stuck a barbed nipple on the vent hose and a cap on the outside .  Take a picture or just go buy a correct one.  Should be an easy swap
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			#4  
			
			
			
			
			
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			I screwed it all the way out and it has a screen in it that you can change out if it gets corroded I guess. Even screwed all the in, there is an air gap around the screw in part that will allow that tank to breathe. I thought it was shutting the air off when screwed all the way in but I just didn't take a close enough look. Never seen seen one like it.
		 
				__________________ 1986 V20 CC 2000 150 OptiMax 1978 Seacraft 23 CC Mako 21B | 
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			#5  
			
			
			
			
			
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			Okay.  Never saw one like that till you showed us yours.   Did a little investigating.  Here's what you have and who makes it. https://express.google.com/u/0/produ...mpaign=8175035 
				__________________ 1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless. | 
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