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  1. W

    early 70s Mercury 500 50hp ignition question

    The original issue was no fire to the spark plugs and going through checking wires, components, etc. to determine the problem. Took off mercury switch, disconnected remote control kill wire, etc,
  2. W

    early 70s Mercury 500 50hp ignition question

    Also what type of grease should I use on the zerk fittings on the ignition driver/distributor assembly?
  3. W

    early 70s Mercury 500 50hp ignition question

    I appreciate the responses. I had pulled the coil and checked it with a multi-meter based on this youtube video. The secondary output showed nothing just like the video.
  4. W

    early 70s Mercury 500 50hp ignition question

    Thanks for everyone's help. Walter
  5. W

    early 70s Mercury 500 50hp ignition question

    Thanks for the information!
  6. W

    early 70s Mercury 500 50hp ignition question

    Agree about your confusing comment. Searching for parts using the serial number on the mounting bracket does not match up with how the ignition parts look. From some additional googling it looks like the ignition is from a 1971-73 Mercury 500. I was hoping that the red coil could be replaced...
  7. W

    early 70s Mercury 500 50hp ignition question

    I have a 50 hp Mercury with a bad coil. I do not have the exact year for the ignition. The engine had the power head replaced when my dad bought the boat/engine in 1985. The serial number on the mounting bracket shows 5336558 which is 1979 but the ignition is an ignition driver set up and the...
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