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    Lower Unit Question For a 1985 50 hp Merc

    Is a 78-80 50 hp merc 3 cyl lower unit compatible with my 85 50 hp 4 cyl engine im trying to figure this out before i take mine in for repairs if it does i would buy this engine for the lower unit mine has went bad and i can replace that myself so cn anyone tell me if they can be swapped out...
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    1985 50 hp merc

    question is my lower unit has gone bad theres a 1978-1980 50hp 3 cyl for sale mines a 4 cyl would those lower unit match up or would i be waisting my money by buying it
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    1985 50 hp merc will not turn the prop

    Just had the hub in the prop replaced thinking that was the problem but my prop still isnt moving unless i bring my motor up then it moves a little bit can anybody out there help me out it wont move in reverse either
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    1985 50 hp mercury 4 cyl

    not sure where to start trouble shooting it started when i tried to back the boat off the trailer ran high RPMs it came off but then i got on the maine river and it would only go slow when i tried getting on it it would have high rpms but it wouldnt move so i would back down on the throttle and...
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