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    Carburetor float question

    Done and done!!! Took a while to find it but there is a you tube video of a guy with a Chrysler 75hp making these adjustments.
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    Carburetor float question

    So after fixing my head gasket on my 1990 90hp I noticed a lot of fuel coming out of the overflow on the lower carb. Took it all back apart and all I could see is one of the floats was adjusted different from the others so while it was apart I ordered new needles and gaskets for the bowl. The...
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    1990 force problems

    Head gasket repair was the trick. All cylinders at 120psi cold. Got it revving up to 5000+rpm and there is a strange vibration coming from the motor.
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    1990 force problems

    Oh and the bolts came right out easy peasy. Gonna order a new head gasket recheck compression. Wondering if I should just order the coil while I’m at it?
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    1990 force problems

    there you have it. I’d say this explains the low compression on the bottom two cylinders
  6. H

    1990 force problems

    I’m thinking the same. Maybe have some fun this weekend taking things apart.
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    1990 force problems

    Top cylinder no spark middle and lower good. Top cylinder 120 middle 60 bottom 70 on compression tester. And I did this test cold so I may have to figure out the spark problem first and do the compression test again.
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    1990 force problems

    50:1 ratio. About 3oz gallon penzoil with a 20 gallon tank.
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    1990 force problems

    So I have a 1990 bayliner with a force 90 outboard. Got the boat for free after my father in law passed and to give a whole history for better advise. Boat was purchased brand new and they stopped using it in 1995. It was stored and never touched till 2019. I got it running without doing...
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