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  1. N

    water flow on 1980 140 Johnson

    replaced water pump and housing on motor. Everything installed great, now when running with garden hose, lots of pressure from pee hole also now i see water coming from hole in the lower unit, is that normal? The old pump did not do that,
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    o ring with orifice plug

    i am replacing idle speed orifice plug on 1980 140 hp johnson carb, is there a small o ring that goes with it? I have OMC manual and the parts picture in it shows none. J140TLCSA
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    carb float needle

    Just rebuilt carbs on 1980 140HP johnson model J140TLCSA. After setting float height i checked the movement of needle seat and it sometimes sticks closed, it is the new all metal needle. Just did some more searching on iboats and found I did not attach return spring on needle that came with new...
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    iidle speed air jet

    looking for a idle bleed orifice jet for my 1980 140 hp johnson modle J140TLCS, P.O. must have done work on cab and lost or did not install one on top cab on Port side.
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    carb rebuild

    I am cleaning carbs on 1980 140HP Johnson V4, OMC manual says to remove link rod that connects the to cabs together, but nothing else. How do you do this without breaking plastic bushings or not adjusting screws.
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    prop pitch

    I would like to switch my 13x15 prop on 1980 140hp johnson to a 19 pitch. What kind of performance effect should i see, will it make the old girl work too hard?
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    V 4 Johnson compression

    What would be good compression on my 1980 140HP V4 Johnson, current readings are all 120psi.
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    Wire diagram

    Looking for a wire diagram for my 1980 140 hp Johnson J140TCSA trim gauge, I need to see wire from send wire to the back of boat ( sending unit or solenoid box).
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    Trim and Tilt sennding unit

    How do I test my Trim and Tilt sending unit on 1980 140 hp Johnson, gauge works.
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    2 or 4 carb kits for 140 johnson

    I should have asked this before, parts place says there is four carb kits for 1980 140 hp Johnson model J140TCSA. It looks like two in picture.
  11. N

    1980 140 hp johnson V4

    need idle speed, low speed, intermediate, and high speed jet settings after carb rebuild. how many turns to get things started.
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