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View Full Version : 1998 mercury 200 efi pulse pump fitting's size



illinideer
04-30-2024, 12:44 PM
Pulse fuel pump question? When Jay overhauled my motor a few years ago, he put everything back stock. I'm replacing the fuel lines and I used to not have the pulse pump installed ran a Carter fuel pump for years. And my question is the threaded port fitting that the pulse pump fits over and the lower fitting below the pump. What size are they? I would like to block them off with some brass plugs if it is possible.
Thanks
Justin

KIRCHNER
05-02-2024, 07:35 PM
1/4'' npt, i think