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  1. #1

    Vibation help on 03" GTX 4-tec SC

    I notice at about 4k rpm's (maybe 15mph), especially when pulling my 55lbs daughter on a single tube, I get a vibration in the back hull area. Once I pass this rpm range, it goes away. It seems like it's doing it more under load, before planeing (leveling out). It's annoying and even my wife noticed it. It sounds like metal vibrating. It sounds like something in the back related to the exchaust.

    It's not terrible and may be normal. Just want to make sure.

    Thank you, Rick

  2. #2
    mikelytle1077's Avatar
    Join Date
    Sep 2010
    frisco, tx
    its the plastic pump switch to an aluminum one theres one on ebay right now for 235.00 it will save you alot of headaches down the road with wear rings.

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