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  1. Edison

    installing 1986 90 hp merc. lower uint

    looking for tips like....what position should i have the control in??? and what about the lower uint??? I've tryed a few things like turning the prop and seeing if the shaft turns with it that only happens in reverse is that normal? should i install it with the control an the lower uint in...
  2. Edison

    1986 90hp merc. prop size?????

    I had a 3 blade prop befor I lost it in the bayou .Just looking for the right size and pitch.Please point me in the right direction.:D
  3. Edison

    will a 1986 115 hp lower uint fit a 90hp same year merc.

    people tell you can swap a 90 and a 100 hp lower uint but what about a 115 will it work if they have the same shaft lenth?
  4. Edison

    1986 90hp Merc. Flywheel ?

    After removing the flywheel is it posible to put it back on corectly with out having to check timeing ? One more....If your stator is putting out low volts on only one of the blue wires and causing only three cylinders to fire is it posible that ther may be dirt or something on the contacts...
  5. Edison

    Thanks to the help Laddies and everyone else gave Im on the right track now

    I have 1986 90hp inline six and its been giving me trouble lately. It was to the point where it wouldnt start whit out starting fluid .The funnie thing is after getting it stated it would lose the hard starting problem all together until the engine would cool for two hours or so.The other...
  6. Edison

    spark question??

    Need some help.does 1986 merc.90hp engine fire at all cylinders when cranking?Im only grtting fire on 2 and 6 cranking.It wont start unless I spay starter fluid .After the engine starts it fires on all 6 cylinders could it be the stator how to check? what should I get on the test olms how many?
  7. Edison

    1986 merc.in line 6 spark problem 90hp

    Im only getting spark on number 2 and 6 cylinders all the others are dead no spark. any ideas?
  8. Edison

    Dose anyone know if you can use 1987 90 hp parts on a 1986 90 hp both IN LINE 6 MERC.

    I have the 1986 an Im thinking of buying the other for parts
  9. Edison

    1986 Merc.inline 6 Carb queston

    when you back of of the idler screw you are increasing the amont of fule is this fule comeing out of the welsh holes at idle speeds an then later out of the main jet at higher rpm? anoter one.....if ther is gass in the mouth or the carb dose this mean I'm running to rich?
  10. Edison

    1986 mercury outboard 6 cylinder, 90hp....hard to start, doesnt idle in gear

    I'v tried a few repairs and checks like going through the carburator changing needle and seat, floats were good, clean and reinstalled carburators. I adjusted the idle screws and had the motor running just like it should in neutral. After launching in the water an trying to idle at slow...
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