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    1990 40 hp Mercury 4 cylinder lower crank seal orientation

    So I torn down my 40 hp Merc this morning to see about doing rings, seals and gaskets. When I knocked out the lower seals I missed the direction the top seal sits. I assume by looking at every thing that it is the same orientation as the bottom seal with u side facing down or away from the...
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    Power loss and speed loss on 4 cylinder 40 merc

    My 1990 40 hp mercury lost power and about 10 MPh over the last week, I've been through the carbs. I did check the stator and trigger they did ohm out good. The alternator wires were melted together at the connections. The trigger and stator physically looked good. Could the alternator cause...
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