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  1. #1

    How much Piston Compression

    I need to know how much is the pisto compression on 2003 seadoo gti le RFI on normal use.

  2. #2


    anywhere from 110psi to 150 depends on your gauge, what you look at is the difference between the pressure of each cylinder.if the good one is 150psi the other should be the same.Marvin

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