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  1. M

    1974 Merc 500 Wiring plug

    I was getting my boat ready to take out this past weekend and noticed a short in the electrical system, after tracking it down to the plug on the side of the engine (orig 1974 wiring) most of the wires were dryrotted and cracking, so I pealed back some of the wiring cover and to make a long...
  2. M

    1974 Merc 500 50hp Lower Cowling Removal

    Like the subject says, is there any way to remove the lower cowling w/o having to remove the motor from the boat. I am having trouble getting to the #4 Spark Plug and I need to replace the gasket on the cover. I have already broke a couple of the bolts on the cover but since they use a...
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