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    1975 merc 500 50hp runs rough and hesitates at over half throttle

    Hi all. Thanks in advance for taking the time to read this. I have a 1975 merc 500 50hp that I've finally got running. I cleaned the carbs and put new gaskets on them. The motor idles great but as soon as I add over half throttle the motor begins to run rough and hesitate badly. It acts like it...
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    1965 15' MFG Niagra Runabout

    Hi all, I have a question. I have a 15' MFG runabout, 1965. I just bought this and am starting to clean it up. It has a closed bow. Silly question: Can I make this an open bow for fishing? Is the closed bow top structural and if not, can I cut it off? Here is a pic of it... thanks Chris
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    Merc 402 Stop (Kill) Switch Issue

    Hi all, long time reader, first time poster. I just re-wired my boat that has a merc 402 40hp electric start on it. I touched nothing at the motor, just put in a new ignition switch. The Boat had a lanyard kill switch on the panel that I chose not to install on my re-wire. The motor will not...
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