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  1. M

    1986 20HP Mercury outboard

    I bought it new and yes it ran . I finally got it to run but will not idle well I guess I dont know enough about these engines to be working on it. Thanks for the help
  2. M

    1986 20HP Mercury outboard

    Yes on spark. Yes on spray and yes chock works. The key was sheared and I replaced iit. But it still seems like it’s not timed correctly
  3. M

    1986 20HP Mercury outboard

    I’ve done everything that I can think of to get this engine started but it just will not start. List of things I’ve done carburetor kit new plugs, ignition coils, replaced flywheel key, new gas. I have spark I have approximately 110 psi pressure for compression I have fuel. Everything under the...
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