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    installing a prop 1984 120hp mercruiser i/o

    I went to install my prop and I can't seem to get it on the shaft far enough, it hits that little fin when turning. I looked in my manual and it dont say very much about this subject. Can anyone please tell me what I'm doing wrong. I tried searching the web for instructions but I cant seem to...
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    Success. Thanks everyone for the help.

    The problem I had with shifting and the engine dying is fixed. I followed the directions in adjusting the shift cable and when I got to the reverse part the prop would try really hard counter clock wise. But I keep at it and it freed up. I put the boat in gear forward and backwards, while...
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    Is it a hard job changing shift cable?

    My 1984 120hp mercruicer dies when put into gear and I was told it was the shift cable. Is it a difficult job changing that, I want to do it myself. Any tricks I should know?
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    How to test shift cut out switch?

    I just put my rebuilt carb back on, now I see fuel in the carb. But when I put the boat in gear it dies. If I unhook the arm on the carb and manually rev it up it works. Does that sound like the shift cut out switch and how do I test it? Also are the easy and affordable to change, would be...
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    tree sap removal

    I have a fiberglass boat and it sat for 3 years, underneath a pine tree. It is now covered with sap.. Any ideas how to remove the sap, which is hardened. I have tried a couple of different things but not much luck
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    Success :) Almost :(

    First of all, thanks everyone for the help. I got my boat started ,1984 120 mercruiser, and it idles good. Now my problem is I put it in gear and it dies. Could this be the fuel pump? When it is idling I look in the carb and don't see any fuel spraying in there, so how does it still idle?
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    I dont have a clue????

    I have a 1984 120hp mercruiser i/o. I trying to get it to run. My question is when i put the muffs on, is there anywhere the water is suppose to be coming out besides the muffs? The boat is not running when doing this. Next question is when i try to start it just turns over. I changed the...
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    achris60

    you said you had a wiring diagram for a 120 mercruiser, solenoid wiring for trim tilt motor.<br />how do i get your email??
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    fuse keeps blowing

    Help. Virgin boat owner. I have a 1984 120hp mercruiser. My problem is the fuse for the tilt solenoids keep blowing. I have replace the solenoids, had the motor tested, checked for bad wiring and I'm all out of ideas. I dont know if the previous owner messed with the solenoids and wired...
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    fuse on trim solenoids keep blowing

    Help. Virgin boat owner here. I have a 1984 120 hp mercruiser. My problem is when I go to move the lower unit up or down, the fuse (30amp ) keeps blowing. I had the motor tested that works good, I replaced the both the solenoids and I checked bad wiring. I dont know if the previous owner...
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