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    7.5 mercury timing problems

    Hey guys..i have asked questions about this motor on here before quite a long time ago..it has spent a lot of time sitting in the corner of my shop now thinking about what it has done wrong lol..finally after a few months i got it back on the bench..here is what has been done in short form...
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    Another 90hp tower of power question

    I have a 1978 m900 90hp merc..i know there is a way to check for spark/start it up without the woring harness connected, but i cant remember how or fond it anywhere..can someone please refresh my memory?
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    Mercury tower of power 90hp question

    Hey guys..i have two older mercury 90hp outboard engines..one is a distributor model, the other is a electronic ignition model..is there any way i can change the power head portion of the distributor model to the electronic ignition model and switch that power head to electronic ignition? The...
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    Is this something i can do?

    Hey guys..i have two old 90hp inline 6 cylinder mercury outboards..one is a 79 with two cylinder tilt/trim and externally mounted pump/motor, which the pump motor is toast, the other is a i believe 85 with a single center mounted tilt cylinder and internally mounted pump, can i get away with...
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    1970's mercury 7.5 no spark issue

    I have what im told is a 1970,s model mercury 7.5 hp, the serial number is 3283567 though i cant find the engine by that number? Can anyone on here tell me the ohm specs for the ignition system on this engine? It is a points ignition system
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