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    Just can not figure it out

    Hello here is my nightmare I have a Mercury 85 HP thunderbolt outboard on 15' I think fiberglass glassmaster boat and I can not get this motor to stay running I can get it to start then it does I use starting fluid to get it going i know very little about boats but I am mechanically inclined I...
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    Can my old boat handle the power

    I have a 60 something Glassmaster boat and it has a Mercury thunderbolt 50 HP on it. I just bought a Mercury 85 HP from my nextdoor neighbor and everything matches I hope. So does anyone have any suggestions for me on anything that I may have missed. I am using the control box from the 85 HP...
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    New at this need help

    I have a Mercury thunderbolt 50 HP 500 series 1973 I need the wiring systematics for the key ignition also need to know if anyone knows where I can get a five stud three position key switch hope to hear back soon thank you
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