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difference between tldi nissan 40hp and 50hp

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  • difference between tldi nissan 40hp and 50hp

    hello,
    i was wondering where the 10hp difference came from these two motors because from what i understood the boreXstroke is the same, cc output, and even the weight so the only thing i could think of is the fuel injection maybe?
    Reason being is i am going to be buying a new boat and want the 50hp because it will have a jet unit on it so i can run the local river. But some parts of the river are restrictred to 40hp. so if i can i would rather by a 40hp and bump it to 50 hp. so it will be capped and titled as a 40hp. Also how much would it approximatly cost?
    thanks,
    duckslayingpro

  • #2
    Re: difference between tldi nissan 40hp and 50hp

    with that jet pump u loose 50% of rated HP
    HUMAN BUILT = HUMAN FIXED
    CERTIFIED MARINE TECH

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    • #3
      Re: difference between tldi nissan 40hp and 50hp

      yea i know i will lose hp but it is only 30 % and you have to have a jet to run on the rivers around here.

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      • #4
        Re: difference between tldi nissan 40hp and 50hp

        You do loose somewhere between 50% and 35%, depending on the jet unit, and the difference is the CPU module on the engines.
        Elvin
        My answers are like Zen...It may not be the answer you want, but it is generally the answer you need.

        The 3 Rules:

        1) Look in your service manual first...Then ask me if it is correct.
        2) Understand that your desire to repair your engine does not mean that you have the ability to do so.
        3) If you are confused, take your engine into a dealer..Then let them be confused...At least, in theory, they sent someone to outboard 101.

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        • #5
          Re: difference between tldi nissan 40hp and 50hp

          thanks, can my local dealer change the cpu and my the 40hp be putting out 50 hp? thanks

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          • #6
            Re: difference between tldi nissan 40hp and 50hp

            Yes, but you will lose all warranty and that CPU is around $900.00. You also need to change out the throttle body.
            Elvin
            My answers are like Zen...It may not be the answer you want, but it is generally the answer you need.

            The 3 Rules:

            1) Look in your service manual first...Then ask me if it is correct.
            2) Understand that your desire to repair your engine does not mean that you have the ability to do so.
            3) If you are confused, take your engine into a dealer..Then let them be confused...At least, in theory, they sent someone to outboard 101.

            Comment


            • #7
              Sign up today
              Re: difference between tldi nissan 40hp and 50hp

              thanks guys.

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