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    Mercruiser 80 Running hot

    Recently got impeller replaced correctly and water is comming through to the engine, but apparntly not sufficient to keep cool. Today I put it in water to see if it would run with out over heating and noticed something I had not heard before. Right at the top of cover plate, above impeller where...
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    1967 mercruiser 80 Impeller problem?

    I have had recent problem with water not pumping through to engine and with Bond -O's help have determined that the impeller is not working properly. Here's what I've got. I Can turn engine over and can see that the shaft is turning, at the top where the large brass screw is, but the rubber...
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    mercrusier 80 water not pumping through to engine.

    Recently replaced impeller, water pump housing in lower, water tube and the seals for water tube in lower and upper. When using muffs at full blast no water comming through hose inside boat. I can run water backwards and it comes out pee hole and bottom of prop with no problem. I also used...
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    1967 Mercruiser 80 Mechanic, NC?

    Just wondering if any one out there knows someone in the North Carolina area that has old, very old, mercuiser knowledge and more importantly wants to use it. My boat is in amazing shape but there are a few things that someone who knows this stern drive engine could staighten out in less than an...
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    Mecruiser 80 stuck in gear.

    Recently pulled the lower section of stern drive to replace water pump housing. When lower was reconnected to upper, prop now remains in gear even though I can see top of shift shaft move through all three positions when using remote shifter in boat. I was told that I need to disconnect lower...
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    How do you set Shift Shaft mecruiser 80

    Recently pulled the lower stern drive from upper on my 1967 mercruiser 80 and when I reconnected the two, prop remains in gear regardless of shift shaft position. I was told that I needed to pull lower back off and put shift shaft in lower in neutral and boat shifter in netral and then reconect...
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    Water Pump not pumping mercruiser 80

    Just replaced impeller and water pump housing on my 67 mercruiser 80. The water tube has some minor damage around bottom where it slides into housing, but appears that seal is good? Is there something special I need to do to get it primed? I can run water directly to block but and to prop but no...
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    When do you use Gasket sealer?

    I'm new to boating and have a 1967 Mercruiser 80 in amazing condition. I have a minor overheating problem for which I have aquired all the needed parts and my question is this. Do I use a gasket sealer when putting the lower back together with upper and when repalcing anything with a gasket do...
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