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    loosing fuel pressure

    starts well, run well at idle, then when i start throttling up a bit it starts boging down, it picks up as soon as i start priming the bulb. It will work perfectly until i stop priming the bulb then it will bog down again. In forward gear at really low speed it does not bog at all but primer...
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    fuel pump

    why does a fuel pump have two vaccum or pulser whatever you want to call them...one on thr front connected with a hose, and one at the back of the pump?
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    anyone knows the difference between

    looking at these fuel pumps and trying to figure out what they mean by "(use with inline check valve)" ? scroll down a bit and there's two types of fuel pump for the same model... heres the link https://www.crowleymarine.com/mercury-outboard/553.cfm?mdl=I4QVVH&q=0D062381
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    91 mercury 75hp fuel pump

    Last year i've changed all my fuel hoses to clear fuel rated hoses. Something i've observed while starting my motor this year is that there's some fuel at the pulsar hose coming back into the pump from the block... it doesn't seem like it's causing issues since i've blocked-off the oil...
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    looking for fuel pump kit...

    Hi y'all! Looking to replace the fuel pump pump diaphragm of a 1991 Mercury elpto 75hp 3cyl 2stroke. I believe the oem kit I need is 42909A...anything else I should change while im in this area of maintenance? Or any gaskets i might need that are not in the kit? Thanks guys!
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    water coming out of this hole normal?

    Hi guy's! I've just did the waterpump. The whole kit with the backplate and impeller casing...i did the gasket maker bead for the water not to come out the exhaust. I installed the rubber seal on top of the waterpump housing before sliding it back in. I just don't remember if it used to come...
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