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Results 1 to 6 of 6
  1. #1
    Join Date
    Apr 2010
    Location
    Malvern, PA
    Posts
    3

    Post Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    Hi, I would like to know if anyone has a factory service manual for this motor Serial #0C140802 or if you know where I can get a used manual ( I have the Selco manual it does me no good to vague. My problem is week spark on top cylinder causing the plug to foul I think I need to replace the switch box the coils tested good. I used a spark tester and got no spark to jump the gap so I switched coils and got a spark the engine will run with the week spark intermittently.
    Last edited by Ted Speedy; 04-22-2010 at 09:48 PM.

  2. #2
    Join Date
    Dec 2009
    Location
    Rineyville, KY, U.S.A.
    Posts
    217

    Default Re: Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    You can get a new selco manual from this sight for about 35 dollars

  3. #3
    Join Date
    Apr 2010
    Location
    Malvern, PA
    Posts
    3

    Post Re: Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    Thanks, but I should have said that I already have the Selco Manual and frankly it does not have the information on my motor that I would need to properly diagnose this problem. No schematic or details on my specific power head. It's kind of a generic manual covering about 6 different versions of my outboard and very vague in some areas.
    Last edited by Ted Speedy; 04-22-2010 at 09:48 PM. Reason: trying to be more specific.

  4. #4
    Join Date
    Dec 2009
    Location
    Rineyville, KY, U.S.A.
    Posts
    217

    Default Re: Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    Then the best thing to do is go t the dealer and order one. When I get a manual, it only goes away when the motor goes.

  5. #5
    Join Date
    Apr 2010
    Location
    Malvern, PA
    Posts
    3

    Default Re: Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    Thanks but I am trying not to spend $80 dollars on a manual if I can get a used one or borrow one.

  6. #6
    Join Date
    Sep 2006
    Location
    SF BAY AREA, CALI, USA
    Posts
    8,649

    Default Re: Mercury Mariner 8hp 2 cylinder 1989 Factory service Manual? Week Spark.

    shoot me an email
    HUMAN BUILT = HUMAN FIXED

    CERTIFIED MARINE TECHNICIAN

    WWW.JUSTINTIMEMARINE.COM

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