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  1. #1

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    Question 1996 Sea Doo compression

    I have a freind with 130psi (pretty even) on a GTS (I think) her dealer says its low. It sounds like BS to me. what is the normal compression for this motor ?


  2. #2

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    Check it yourself with a known good gauge. 130 isn't low, as you said the difference between the two are more important.

  3. #3
    Nothin' better than Doo'in it!
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    Nearly every compression gauge you use will vary with readings... the most important thing is that the cylinders are equal, or very close!

  4. #4
    my 95 gtx and 94 stx both have about 120psi. They both run fantastic. The gtx will do a bit over 40 and the stx will do 45 gps.

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