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gas tank cap

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URL: http://www.pontoonboatforum.com/forum_posts.asp?TID=7588
Printed Date: 07/19/2018 at 6:14pm
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Topic: gas tank cap
Posted By: promad
Subject: gas tank cap
Date Posted: 07/31/2012 at 8:23pm

i got a centro 26 gallon gas tank and i need a gas cap vented anybody know were i could get one ? it looks like this .

 
image 0



Replies:
Posted By: Guests
Date Posted: 07/31/2012 at 8:33pm
moved to off topic, as its not about a pontoon boat Wink. Interesting though that it appears to be a permanent mount except its missing the vent tube and a filler neck but has the sender unit mounted for monitoring fuel level at the console. Should take any standard marine fuel cap http://www.iboats.com/Replacement-Fuel-Cap/dm/cart_id.567128299--session_id.391516698--view_id.484405" rel="nofollow - like this one at iboats


Posted By: Guests
Date Posted: 07/31/2012 at 8:40pm
Do a google search for vented boat gas cap and check the results, you might find one more to your liking as far as price and shipping and also check wally world, some have them, some don't.


Posted By: promad
Date Posted: 07/31/2012 at 8:41pm
yea previous owner cut top out of cap and put a neck in it goin thru the side of the pontoon to put gas in it , but the way everything looked surely it was'nt factory ? , anybody know how they usually come from factory , were you have to take the cap off or it goes thru the side of the boat ?


Posted By: Guests
Date Posted: 07/31/2012 at 8:52pm
There should be NO cap on the tank if its a permanent mount tank, that's why we need to see your tank if that picture isn't yours. If it has the neck for a hose, then you need a hose and filler cap like this http://www.backtoboating.com/Scripts/prodList.asp?idCategory=144" rel="nofollow - http://www.backtoboating.com/Scripts/prodList.asp?idCategory=144   and there will be a separate smaller neck for a vent line, at the bottom of that link, you'll find vents or use one of the filler caps with attached vent for the hose.


Posted By: promad
Date Posted: 07/31/2012 at 9:28pm
this is what it looks like when it was hooked up , but it just did not look factory , it looked like somebody cut a whole in the top of the gas cap then mounted everything else , so i reall don't know how it came .
 


Posted By: Guests
Date Posted: 07/31/2012 at 9:35pm
I can't tell a thing from that pic since it hides the critical part of the tank stuff - we need close up pics of the cap but mostly of the connections so not too close up but just of the areas of connections and what the present situation is of the cap area.


Posted By: p3cflyr
Date Posted: 07/31/2012 at 11:00pm
My tank before rework and cleanup.  20 gal alum sets in horseshoe at rear.  Large black hose is fill.  Smaller black hose next to it is vent.  Both pass through a recess set into the fence on the horseshoe for filling and venting when tied to the fuel dock.  Sorry no pic of the external recess.  Center is a manual visual indicator of fuel level and wires hooking to fuel indicator gauge on the console.  Small black hose across tank is supply line through a squeeze/primer bulb and fuel filter (clear with push to drain a sample) to the motor.  All came from the factory this way.  Hope this helps.




-------------
Mike

"Atta Boy" Award June 2011
1987 Lowes Fish and Fun 20ft
1999 Merc 50hp 4 strk big foot
Kirksville, Mo
P3C Orion Pilot
ASW Warfare Specialist


Posted By: Guests
Date Posted: 07/31/2012 at 11:14pm
Originally posted by promad promad wrote:

this is what it looks like when it was hooked up , but it just did not look factory , it looked like somebody cut a whole in the top of the gas cap then mounted everything else , so i reall don't know how it came .
 



Definitely not factory. Looks like someone used a cap of sorts with an extension to a filler hose.




Posted By: Guests
Date Posted: 08/01/2012 at 1:17am
wow, thanks Rick for the blow up of the pic. Now I see the problem. Hummm jerryrigged unit. Is the filler neck gone? Any part of it left? I'm curious if that cap is just screwed on or glued on? Either way, I think I'd get another tank. I assume you some kind of trouble with that one right? Does fuel slosh out from that cap? Or leak around it when filling?


Posted By: promad
Date Posted: 08/01/2012 at 5:30am
i have'nt had it full yet , but the tank has a neck on it with threads the gas cap has a hole cut in it for the neck going up to a clear plastic tube that hooks to the metal neck thats in the cap and hooks to this
 
 


Posted By: promad
Date Posted: 08/01/2012 at 5:32am
what i want to know is till i get a new tank can i just put a vented cap on it ?


Posted By: Guests
Date Posted: 08/01/2012 at 7:58am
Yes, it would be fine..


Posted By: PS-Guy
Date Posted: 08/01/2012 at 8:19am
My Tracker had a tank mounted just like that, with no filler neck.  It was a permanent tank but open in back and had a standard screw on cap.  Can't remember if the cap was vented or it had a tank vent?

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Feel free to contact me for help on your project!

http://www.PontoonStuff.com" rel="nofollow - Pontoon Seats


Posted By: Guests
Date Posted: 08/01/2012 at 11:10am
Originally posted by PoliceK9 PoliceK9 wrote:

Do a google search for vented boat gas cap and check the results, you might find one more to your liking as far as price and shipping and also check wally world, some have them, some don't.
 
Yes, you would be fine just looking for vented gas caps and getting what you want. Might get 2 in case you ever forget it (unless it has the little chain on it to keep it from getting lost like on some mowers)


Posted By: promad
Date Posted: 08/01/2012 at 4:56pm
so i could use any cap that fits that vented ?


Posted By: Guests
Date Posted: 08/01/2012 at 5:04pm
should be able to with no problem.


Posted By: promad
Date Posted: 08/01/2012 at 5:24pm
thanks everybody


Posted By: Bamby
Date Posted: 08/01/2012 at 5:30pm
I have the exact same cap, and it is a vented cap as shown. If you were to lift the cap on it's hing and look you'll see an adjuster with a vent screen under it. Fact is I think this cap system may actually be superior in actual use a design myself and have never had a minutes problem with it, can't say the same about the more typical design I had on my previous boat though. More than once I has gas splash out of the clam-shell vent and run down the side of my panel... Angry

From the manufacture:

xxxx'z  new plastic vented deck fills incorporate an industry first patent-pending waterproof screen
that eliminates the possibility of water entering a boat’s fuel system, while also allowing your boat’s
engine to breath freely.These new deck fills exceed the ISO 10088 standard for minimum required
venting area and meet all ABYC and US Coat Guard safety standards for marine fuel
systems. Xxxxx's  unique design includes an integral tank vent with flame arrestor and anti-surge
technology.CE certified to ISO 10088 enabling sales world wide.


-------------
2004 2503 Odyssey
2005 Honda 50
1972 35 ft. Crest Pontoon HB
2007 90 HP 4 st. Yamaha
"Attaboy" Award May 2009
"Attaboy" Award Dec 2009



Posted By: Guests
Date Posted: 08/01/2012 at 6:07pm
I guess the point is, were you having problems with that fuel fill arrangement? Leaks, etc


Posted By: promad
Date Posted: 08/01/2012 at 6:52pm
have'nt filled the tank up all the way yet , but were the hole was cut in the top of the gas cap i could see were it could leak gas sloshing around it was'nt a tight fit and possibly something could get in the gas , i would'nt mind using that setup if  i could find the right stuff for that setup



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