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  1. M

    3 line fuel pump PLUS pulse port on the back

    Will check compression, install gasket to back of pump (just in case) and check spark and report back....thanks all!
  2. M

    3 line fuel pump PLUS pulse port on the back

    Great info guys, thank you. I can't believe I didn't think to go ahead and install the gasket to see if that helped my issue. I'm handy enough that I can rebuild the old one with the help of a few YouTube vids as well. I did run the motor long enough to get back to the ramp, 10 mins. Like I...
  3. M

    3 line fuel pump PLUS pulse port on the back

    So even though it was shipped with the gasket needed to mount it to an engine with a pulse port, you think that hole on the back of the pump might not actually go anywhere?
  4. M

    3 line fuel pump PLUS pulse port on the back

    Question. I have a 1983 Johnson 200GT. I purchased the fuel pump shown in the picture and my outboard has a pulse line (hose) that attaches to the fuel pump. My outboard does NOT have the pulse port on the block that the fuel pump bolts to. HOWEVER, the fuel pump itself has a port on the...
  5. M

    2 line vs 3 line fuel pump understanding.

    Came here for this same question because I'm replacing my fuel pump and it showed up at my house and has an extra outlet. Is it OK to just use the little black cap that it shipped with to plug the vacuum port (like #2 in the photo). Maybe just add a small hose clamp around it to secure it and...
  6. M

    Yamaha built 40hp Mariner...motor stalls under a load...driving me NUTS!!

    OK guys...I need some help here. I have a 40hp, 2 stroke Mariner...but the motor was built by Yamaha ('82 or '83). When this problem started, the boat ran great down the lake for about 5 miles...then started to slow down until it just bogged out. Very hard to restart...got it started...ran...
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