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    1976 1150 115 hp question about water pump

    I haven't ran my motor in a year or two and I hooked water to it with muffs and it was take water in but not comming out of the pee hole. I checked and blowed the hole out, but it didnt seemed block.what could be causing this and how can I fix it? Any answers would be greatly appreciated
  2. O

    charging system on 1150 thunderbolt ignition

    How can i check to make sure my system is charging my battery while it is running
  3. O

    no spark

    I have a 115 hp mercury with the thunderbolt ignition system. I think it was made in 1975 but I'm not for sure. Where can I find my serial number at? I also have a problem. My father game me his boat. When I got it I used jumper cables off my truck to start it. I think I might have burned up my...
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