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Gas cap size
Posted: Mon Jun 20, 2016 3:29 pm
by wjsmittyroc
Hey guys,
I have a 1977 F-26 Express, and last weekend while fueling her, the gas cap took a plunge into the drink. One second it was on the deck, and the next I saw bubbles from it taking a plunge.
Does anyone know the correct size so I can order a replacement?

Re: Gas cap size
Posted: Mon Jun 20, 2016 8:56 pm
by prowlersfish
They are kind of a odd size , not easy to find . Try beacon marine
Re: Gas cap size
Posted: Tue Jun 21, 2016 10:18 am
by larryeddington
I May have one from my parts boat f28, will look.
Re: Gas cap size
Posted: Sat Jul 09, 2016 2:56 pm
by wjsmittyroc
I have looked everywhere, and thought I found the correct size online. Long story short, the cap I ordered was not the right size, so I am still looking.....
Re: Gas cap size
Posted: Sat Jul 09, 2016 7:14 pm
by mikeandanne
wjsmittyroc wrote:I have looked everywhere, and thought I found the correct size online. Long story short, the cap I ordered was not the right size, so I am still looking.....
If it is original it is probably one of the chrome plated brass....hard to match....just change the whole deck fitting to a perko or the like , that way if another goes splash, they are easy to get....also if you get the ones that are some sort of plastic the risk of static spark drops dramatically as all the old metal ones need to be grounded to the boat bonding/ground wiring to dissipate spark energy....just a thought..easy change imo...
Re: Gas cap size
Posted: Sat Jul 09, 2016 11:07 pm
by The Dog House
I haven't measured but the pipe used looks like standard galvanized pipe. Is there a pipe cap that would fit?
Re: Gas cap size
Posted: Sun Jul 10, 2016 10:29 am
by larryeddington
Maybe, the original cap has an O ring to seal it. I do not think it is NPT threads, I believe they are straight ergo pip threads would not work. I need to go check my derelict f28 for one, Will take a look, if not here at farm it may be on the running f28, I think I might have removed them and took them to the lake for extra. Will check when I go to lake on Tuesday if not on the old boat.
Re: Gas cap size
Posted: Sun Jul 10, 2016 1:25 pm
by larryeddington
I still had one gas cap on my old junk f28 1977 model. Should fit. Send me your address and phone # and will mail it to you with the O-ring that goes in the base part. I would recommend getting a new O-ring though. Just send me what you think it is worlh to you.
BTW it has a part of broken bead change I would get a length of brass chain and fix it so it is stuck down in the fill pipe so you do not have this happen again.
Larry

Re: Gas cap size
Posted: Sun Jul 10, 2016 6:41 pm
by wjsmittyroc
Thanks for all the help guys! Larry.... I sent you a private message with my information.

Re: Gas cap size
Posted: Mon Jul 11, 2016 5:58 pm
by larryeddington
Struggling with the pm,s in any case gas cap is in the mail to you.
