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Thread: low compression

  1. #1

    Join Date
    Jun 2007
    Clay NY

    low compression

    I have a 93 SL 750 that seems to have low compression What would cause that besides rings to be that way or is it normal for that year. I am getting about 95-100-100.


  2. #2
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    Joe, that could be as simple as a compression gauge that you are using. The numbers are within 10% of each other so I wouldn't worry about it unless you feel there's a problem with the boat.
    Squirt a touch of oil in the cylinder and then see if the compression raises and how much, let us know.

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