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    1989 johnson 40hp missing on bottom cylinder

    so here's the run down on the motor . I just bought it recently and wasn't running very good at all . so I rebuilt both carbs , replaced fuel lines , new impeller . It had 110 psi on both cylinders when I bought it using a buddy's compression tester and I checked it the other day and my...
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    1989 Johnson 40hp running on one cylinder

    So I rebuilt the carbs and checked spark and everything looked good , has all new fuel line and no leaks , compression is 90 lbs in both cylinders and have been messing with it to get it to run right and noticed that it's not running on the bottom cylinder. What could it be it's definitely...
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    1989 Johnson 40hp idle mixture screw settings

    So I picked up this boat and motor cheap about 2 weeks ago , and the motor was not running , kid messed with it but had no idea how to work on an outboard . So I bought it , with a compression of 110 on each cylinder . I rebuilt both carbs and took the aluminum plugs out of the carbs and cleaned...
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