Gas cap

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Well-known member
Supporting Member
Feb 22, 2006
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Media, PA and Brigantine. NJ
I was talking to our marina's mechanic today about the new ethanol gas issues and he mentioned making sure the o-ring on the gas cap is in good shape to assure no water gets into the tank, etc.. Well, I bought the boat new and it never had an o-ring on it. What about you guys? Does the gas cap have an o-ring on it?
To tell the truth ... I may look for a LOCKING gas cap, with O-Ring of course!

Back to the question, I know my current one has an O-Ring.
No o-rings on mine and I have 3 fuel tanks...
No water issues either. (knock on wood)
Just put a locking cap on yesterday, Had to enlarge the hole in the gunnel about 1/8 of an inch. With gas getting close to $4 a gal. and a 250 gal. capacity,[not that Im about to fill it] , we are talking about serious money.
Why not take the cap to a hardware store and match o-ring?
The nearest hardware store that might have o-rings has to be 20+ miles away. I'm wondering why it never came with one, I bought the boat new and havent had any water in 7 seasons....
I emailed Perko to see if I can purchase some, I'll let you know how I make out.