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  1. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    Hey Im wondering could it be the low pressure fuel pump? The one that feeds the high pressure fuel pump canister? Boy I hate to get into parts replacing...
  2. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    one line one tank, I kept it simple one tank, but it did it on the old one as well.
  3. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    Line and hose were replaced with an Atwood-, it was bought and the one recommended by local boat dealer- you might be correct, BUT it did the same thing as the one I took off
  4. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    the tank is venting correctly- both of them have
  5. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    the tank is a secpter (both old and new) and yes I had a dozen things running through my mind while posting- I can understand the confusion, the Bulb empties itself of fuel- it doesnt collaspe ,just empties itself- when I pick it up and squeeze it there is no friction like when the bulb is...
  6. R

    50 HP Mercury 4 cycle runs then stops/primer bulb empty

    Mechanic of 30 years- Outboards a different animal, I have a 50 HP Merc Outboard EFI 4cycle that starts easy and runs good BUT started dying at RPM higher than 3000. I noticed that when it first started I would grab the primer bulb and it woulod be empty, to get back in I would either have to...
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