GT40 Doesn't have full power in Forward

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  • topher275
    • Feb 2025
    • 22

    • Columbus, OH


    GT40 Doesn't have full power in Forward

    Just put a new GT40 motor in an 2000 SAN. When we took the boat to the river to test. The boat will not exceed 1750 RPM in forward. If we put the boat in Reverse it runs fine up to 4500 RPM. Has anyone had this issue? I have checked all fuel lines and put new fuel in. Is it a Knocking sensor? Could it be a bad EEC?
  • jjgag60
    • Sep 2008
    • 165



    #2
    wont go over 1750

    How about in Neutral, will it rev above 1750?

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    • topher275
      • Feb 2025
      • 22

      • Columbus, OH


      #3
      Will not rev past 1750 RPM. I found out that the boat is in LIMP/SLOW mode. I'm having the entire engine tuned up. Big process. Big pain. B.O.A.T.

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