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1993 150hp pro-v compression?

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  • 1993 150hp pro-v compression?

    can someone tell me wut the compression at all cylinders should be for this motor?
    thanks so much! this site is great!!

  • #2
    They should even, no more than 10% difference between cyl's. Sometimes they will run different from top to bottom cylinders, cyl 1 and 2 should be even, 3 and 4 even, 5 and 6 even.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      Or in otherwords--Your lowest cylinder should not be more than 10% lower than your highest cylinder.

      Hope that helps ome more.


      H20SKE...

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