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  1. #1

    GP1200 question - New to skis

    I am looking at a pair of 99 GP1200s. The owner says that when they get warm/hot they don't want to fire up. If he vents the gas tank, they fire right up and he can take off. Any thoughts on what that might be?

    What should I be looking at for maintenance with 125-150 hours on the skis?

    One has been bypassed for pre-mix and one has not. My boat has been bypassed and I feel pretty comfortable with premix vs relying on the pump as I burned up a friends ski due to failed pump. Where can I find what I need to do to bypass the other pump?

    Thanks in advance!


  2. #2
    DAGO RACING CREW 97GPSLEEPER's Avatar
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    The carbs need to be rebuilt if they have not been rebuilt already.

  3. #3
    Quote Originally Posted by 97GPSLEEPER View Post
    The carbs need to be rebuilt if they have not been rebuilt already.
    Is that the reason for them "vaporlocking" or just some of the routine maintenance that should be done?

    Here is what I thought I would put on the to do list:

    1)Run some Ring-free through them then put an hour or 2 on them to check the plugs for combustion as the ones that are in it are all covered in sea-foam from winterization. .
    2) New Plugs
    3) New Fuel filter

    Aren't these Power-Valve engines? If so should I check them for the PV clips?

  4. #4
    DAGO RACING CREW 97GPSLEEPER's Avatar
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    It's maintenance, but mainly because the ski's are older and it may have never been done before. It's likely this is the reason for the hard starts. These are not power valve motors, they are very reliable. I have nearly 400 hours on my modified motor.

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