Got one from cp and is different threads than what was previously tapped (1/8npt).
The new is bigger not sure what size threads.
Does this guy have to be mounted in the vertical position?  Or is horizontal ok?
Hope I can find a reducer fitting bc I really don't wanna drill and tap the pump while it's in t hg e boat.
Anyone else run into this problem?
Let's see how urs are mounted if ya got em

This is where it's tapped.
Prime a jet said it should be on the bowl but this is the provision I have to work with rite now.
Should work?

Flusher and Texas jet have been around this stuff WAY longer than I have! But I had a place craft that the previous owner had actually tapped the center of the hand hole cover and had a 1/8 mip x 1/8 barb fitting on it with a short pice of hose and a ball valve mounted to the back of the motor plate, if you didn't crack that valve and let the air out that thing would never prime? But when you did it would prime instantly... I guess it let just enough air out for the pump to prime...


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The o-ring on the hand hole cover should be pretty reliable.  You need to look into why the hand hole is leaking.  There may be a crack in the cover or the suction.