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    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

    I've cleaned the carbs last week made sure i could see through all the jets and ran a little telephone wire through the passages. Yesterday i ordered a rebuild kit for both and ill order a new fuel pump aswell. Thank you very much for your help i really appreciate it.
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    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

    I bought a spark tester set it to 7/16" and it does jump it nice clear blue spark
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    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

    Oh my bad ...never did that before i got a tons of tools but dont think i have one of those. Ill try to find some more info on that
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    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

  5. T

    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

    I set the gap on the plugs .030 i checked them after running it for no more them for 10 min and they were black and a bit wett but i did check spark and all 4 had spark at the end of the plugs. I have not did a carb rebuild but did pull them and cleaned them
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    78 johnson v4 115hp hard to start after i put it in gear and Stalls.

    Hello everyone. I just bought this smokercraft fishing boat that has this 78 johnson motor on it 115hp. The issue is the boat runs mint on muffs but as soon as its in the lake it does not want to idle. I did a compression test and there is 120psi on 3 cylinders and 118 on the 4th. Id i get it to...
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