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  • Compression

    Hi

    can someone tell me what a good compression reading would be on a 2001 vmax 225 ox66

  • #2
    The low hundred area is about right. But compression (or lack of) is unlikely to be the cause of your issue (in your other thread).
    2000 Yamaha OX66 250HP SX250TXRY 61AX103847T
    1982 Grady Weekender/Offshore (removed stern drive & modded to be an OB)

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    • #3
      Ok thanks. I am getting 110 psi on 4 Cylinders and 105 on the bottom 2.

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      • #4
        Nothing wrong with that. Perfectly fine.
        2000 Yamaha OX66 250HP SX250TXRY 61AX103847T
        1982 Grady Weekender/Offshore (removed stern drive & modded to be an OB)

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