Mercury 9.9 Mod

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  • September 12, 2025 at 12:58 pm #299836
    geary
    Participant

      US Member

      I have a friend that has a 9.9 Mercury ( Don’t know the year). He wanted to know if it can be changed to a 15hp by changing the carburetor ? I know it can be done on a Johnson or Evinrude 9.9hp just not sure if it can be done on  Mercury ? Any suggestions or help would be appreciated. Thanks

       

      September 12, 2025 at 1:43 pm #299837
      RICHARD A. WHITE
      Participant

        Lifetime Member

        You could try to look up the parts list of the 2 motors and compare parts…

        http://www.richardsoutboardtools.com
        classicomctools@gmail.com

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