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  1. #1

    New Rebuilt motor in Seadoo Gtx di questions

    i just had my new motor installed i bought it from premium 951 motor, the shop put the motor it and it runs but kinda shakes a little and turns off sometimes, so i checked the compression its under 120 in both cylinders but not has never need water it has not been broken in yet, is that low compression, and the ski is making a rattling noise please let me what what you think , i will take it to the like on sunday see what it dose.

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  3. #3
    Blackhawk36's Avatar
    Join Date
    Apr 2012
    Maryland, USA
    A new 951 DI should be 130-135 psi. 120 is low but it could be your gauge or lack of break in.

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