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    Controller Problem / Shift

    Good evening all, I have a 1975 850 Mercury. I just had the carbs rebuilt, took it out and ran like a scalded dog.....Would not go into neutral and reverse has always been weak. I took apart the single handle controller and found the *** on the kidney cam broke which would not allow it to shift...
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    75 850 Timing Issue?

    I just had a marina put in a trigger unit on this motor. He called and said it was missing after he installed. There was no miss when the trigger failed. It was running great and just shut off. I got on this forum and was given a dignostic check list and it turned out to be the trigger unit. I...
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    75 Mercury 850 No spark

    Just got this boat...ran it last week with no prob....put in water and fired it up this week and after about 1 minute it quit. No spark....replaced the coil with known good used.....still no spark. Switch Box? I don't know. 1st boat and already frustrated. Please help!
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