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  1. D

    Stern

    Can a stern bracket and swivel, from 1978 75hp work on 1976 70hp?
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    Mercury 70

    So I picked up a Tacker with a Mercury 70. Outboard is a 2 carburetored 3 cylinder. My problem is when I look up the serial # number I can't find any information. Serial # is 6323616
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    Confrim my suspension

    1978 75hp pretty sure I'm getting water in cylinders. Below are pics of the plugs. Could a head gasket or exhaust manifold gaskets be the issue? Engine has 120 psi on all cylinders.
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    TDC question? 1978 75hp johnson

    So I have been trouble shooting, failure to accelerate past around 3000rpm. Using to Seloc manual. Link and sync procedure for finding TDC says rotate the flywheel clockwise and then back counterclockwise. This engine will not rotate counterclockwise. That a indication something is broken...
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    After market carb kits

    Has anyone used the after market cheap carb kits from ebay, with any luck?
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    1978 Johnson 75hp compression

    Just traded for a boat, with 1978 Johnson 75hp. Checked compression all 3 cylinders have 80psi. boat will run in cooler temps once it gets up in the hot part of day it bogs down at 3000rpm and will not plane. Is 80psi the problem?
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