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    loosing fuel pressure

    thanks for answering back. i've just took the pump off and disasembled it. Found a broken check valve in there...freakin amazon fuel pump. Mistakes on me never again. quicksilver merc from now on.
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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

    i see... i have a 3 cylinder 2 stroke. it has a pulser straight at the back of the pump which seems to be lined up with the bottom cylinder and another pulser coming in at the front of the pump via a hose that's lined up with the middle cylinder. If i pinch/block this hose it still works pretty...
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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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    Mercury 90 2 Stroke fouling one plug after some use, stalls when accelerating

    Looking at your idle screw....what is your rpm at idle?
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    mid 1990s mercury 75 problems

    Test for stator, trigger, switch box, shine the wires connectors before doing so, check the rectifier too...they tend to corrode/rust alot...
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    1998 mercury 60hp oil pump removal questions

    What you are looking for is to block the oil injection. Plenty of videos om YT and two or three ways to do it the easiest is just to bloc the input of oil to the fuel pump, reroute what comes out of the oil pump back into the oil reservoir. Question concerning the gas pouring trought weep hole...
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    Classic 50 vro delete

    Can you post a pic of where the oil gets mixed up before going into the bloc. Also attach some pics of the bloc itself where the fuel pump is.
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    1990 mariner 15 hp carb issue

    Could be many things, did you play with the mixture screw on the carb?
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    Outboard Overheating?

    Yes get a laser. Then look in the manual for reg temps at idle. The block will feel warm to the touch (as it needs to be). Better with the laser but an old trick is to put your bare hand on the side of the block, you should be able to leave it there for three seconds before it starts to get...
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    looking for fuel pump kit...

    Is there a way to check without taking it appart? Like unhooking the hose from the fuel pump "out" and performing a certain operation? Thx man!
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    looking for fuel pump kit...

    Since you are here i have a question, if theres a leak in the fuel lines leading up to the carbs would it do something like the symptoms im experiencing?
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    looking for fuel pump kit...

    No it doesn't stay hard all the time sometimes i can squeeze and sometimes its hard. Ive changed the primer bulb this year. I have a fuel and water separator running from it. I have a separate tank i do my own mix (i've bypassed the oil injection, never had a problem for the last three years)...
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    looking for fuel pump kit...

    I think my carbs are getting too much fuel...it's burping alot. My carbs are sync well. Just rebuilt the carbs.
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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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