Acceptable compression range

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  • January 22, 2026 at 3:48 pm #303716
    Randy White, Sr
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      US Member

      What’s considered an acceptable compression PSI  for an Evinrude 7518?  (1955 7.5 hp)  TIA

      January 22, 2026 at 5:40 pm #303740
      Buccaneer
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        US Member

        It will probably run with 60 psi but may not idle well.
        70 psi would be nice, and 80 psi great.

        Prepare to be boarded!

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