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    40hp EFI, 3 cylinder Bottom Spark Plug Removal

    Got this figured out, for anyone that comes after me. Not alot of room on this motor but a swivel spark plug socket can get in there. The in line fuel filter and lowest bolt on the bottom ignition coil is buried though. The schematic below illustrates how I believe Mercury engineered the way to...
  2. X

    40hp EFI, 3 cylinder Bottom Spark Plug Removal

    How the heck do you get the lowest plug out? It is buried down below the bottom shroud, the shroud can't come out on this model. Special tool maybe? I'm stumped, any help is appreciated. Model: 1A40413KZ Serial: 1C119959
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