1958 Evinrude fuel tank petcock bung size

Been There

Cadet
Thread starter
Joined
Mar 9, 2019
Messages
25
Anyone here remember or know what the thread size is on the 1952-1964 Evinrude/Johnson 3 HP outboard fuel outlet bung? I'm guessing it may be 3/8" NPT.

Thanks to all that can give the size.

The reason I need an answer is the fuel tank leaks at the petcock, and there is a new one on ebay from a marine dealer up north for a very hefty price of $90.00, which it out of my class.
 

lindy46

Captain
Joined
Nov 27, 2008
Messages
3,886
If the threads leak, wrap a little Teflon tape around the threads.
 

kbait

Commander
Joined
Nov 13, 2007
Messages
2,487
Use fuel resistant Teflon tape.. mine came in yellow spool..
 

F_R

Honorary Supreme Mariner
Joined
Jul 7, 2006
Messages
28,226
Clean it up and a couple of drops of Loctite blue Screw-Lock will work miracles.
 
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