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    69 125 L6 Tower of Power runs rough until cowling is off.

    Back again with a question about the ol' tower of power attached to my boat. I took her out on the lake yesturday and we cruised out of the little inlet where the ramp is located. When I gave her some throttle she started to run really rough and then died. She started right up and we idled...
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    69 Merc Tower of Power 1125 Timing, Spark or Carb?

    I have a 1969 1125 that recently shredded the timing belt. I replaced the belt following the procedures. Now since the belt replacement the motor starts but runs really rough, and sometimes seems to miss. I have read over and over on these forums not to make any kind of adjustments, so I am...
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    1969 Mercury 125 6Cyl. Fuel Mixture & Advise

    I just purchased an old Glastron Swinger V176, with a 1969 (checked through links provided in the forum... thank you) Mercury 125 6cyl (serial number 2536301). I have no idea what the fuel mixture is and neither does the guy who had it before me. Apparently the boat was his fathers and hasn't...
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