Recent content by Richard45

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    100 hp mariner late 80's early 90's 4cylinder 2 not running

    Re: 100 hp mariner late 80's early 90's 4cylinder 2 not running Ok I have a picture of my switchbox and the damage top left corner. So no spark on #3 spark on #4 What I did today is just switched the 2 bottom trigger wires (labeled white in pic) still only spark on #4 = that makes me think...
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    100 hp 2+2 mariner PSI

    PSI test done 1 = 117psi 2 = 115psi 3 = 121psi 4 = 114psi is that bad am I wasting my time on this old motor.
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    Fuel pump rebuild

    IF the fuel pump diaphragm material is stretched out. Would this hamper the performance of the engine say 200 or so lower rpm or ruff idol.
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    100 hp mariner late 80's early 90's 4cylinder 2 not running

    16.5 Lund tyee 4.9 (44mph2person) 5100rpm Problem I have is it takes 15 to 45 minutes sometimes before I can get the other 2 cylinders to kick in then it's good for rest of the day.( After 1800 rpm all 4 cylinders fire). Things I have tried carbs cleaned with chem-dip and replaced carbs and...
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