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2000 OX66 Compression

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  • 2000 OX66 Compression

    A buddy of my is looking at 2000 OX66
    150hp . we did a warm compression check on
    it . I'm guess port 1 is the top left with
    compression 120 and port 2 on the top right is 115
    and port 3 left middle is 115 and port 4 right middle is 115
    and port 5 on bottom left is 110 and port 6 right bottom is
    110. Are those compression good or bad .
    thanks for your input.
    1=120
    2=115
    3=115
    4=115
    5=110
    6=110

  • #2
    my guess is get a manual.
    2 stroke. 1,3,5 is stbd bank.
    2,4,6 is port bank.
    on yamaha we look bank to bank.
    however your numbers look very good.

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    • #3
      thanks rodbolt17

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