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    1985 90hp Mariner Inline Six Back To Life Question

    Question first.... What else should I do or look for on a motor that hasn't been run in years? I'm worried about the internals of the motor having corrosion and the thing failing soon after I get it running good. Is there a way to inspect the internals without tearing it apart? First thing I...
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    Rectifier upgrade for 86 90hp I-6

    I am going to replace the stock rectifier on this outboard as I'm not comfortable with the 16-17 volts I see occasionally on my electroncs. This stock rectifier just has 4 wires attached to three terminals, two yellow wires from stator and a red and a gray wire. Any specfic suggestions on a...
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    Three solenoids for 1986 90 hp Merc?

    Someone please educate me. I'm doing a little preventative maintenance on my 86 inline six 90hp merc and replacing the starter solenoid as it seems to be starting to weaken. I've purchased a new solenoid and I've identified where it goes...all good there. What I'm confused about is that there...
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    115HP Inline Six Misfire

    I'm looking at a 1984 Mercury 115HP Inline Six for a friend. The motor starts but is misfiring. I pulled the plugs and>>> #1...Nicely dirty....some carbon build up ....oil residue #2...Nicely dirty...some carbon build up....oil residue #3...Much cleaner...almost too clean #4...Some oil...
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    Weak Spark on 2,4,6 cylinders

    This is a 1986 Mercury 90 hp Inline 6 cylinder. It starts and idles fine, but misses at higher rpms and under load. Spark test revealed weak spark on numbers 2, 4, & 6. First thought was CDI so we swapped the two but the weak spark did not change to 1, 3, 5 so we've ruled out a bad CDI...
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    Carb dumping fuel when tilted

    This is a 1983 90 hp Mariner. 6 cylinders, 3 carbs. This is my neighbors outboard, but I'm trying to help him. I've rebuilt carbs before, but before I dig in I wanted to ask for some ideas. Here's the situation: The engine runs. Seems to run okay. I can pump up the fuel pressure using the...
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