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    MERCURY CONTROL BOXES

    I am putting a new to me 90hp 3 cyl two stroke on a boat that currently has the same era late 80's early 90's 70hp 3 cyl on it now. I would like to swap the engines but not the control boxes as the wiring runs through the boat. The harness in the boat has the same 8 pin connector however the...
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    Mercury 90HP 2 stroke 0B153965 won't idle - poor running

    Hello all I have a new to me 90HP Merc that I cannot seem to get running correctly. So far I have rebuilt the carbs with kits and new needles, replaced all fuel lines, replaced enrichener solenoid, gone through the lync and sync procedure, replaced the plugs and wires, removed oil injection, new...
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    Mercury 90HP vacuum lines?

    I am hoping someone can answer this question for me. I am replacing all the rubber hoses on a 1989 mercury 90HP 3 cylinder and when I was doing this the plastic fittings turned slightly while putting on the new hoses on the induction manifold. They appear to have thread sealant on them but are...
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    Johnson 6hp hard start

    Hi I have a new to me Johnson 6hp serial number J6RE1A that has trouble starting cold, so far I have rebuilt the carb with an OEM kit, done the link and sync procedure, changed the water pump and compression checked it with 110 on both cylinders. It runs well once running. To start it however I...
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