Reply To: Acceptable compression range

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January 23, 2026 at 7:10 am #303756
Don
Participant

    US Member
    Randy White, Sr wrote:

    Thanks. Mine is showing 75 psi in both cylinders.
    Just starting a refurb on this Evinrude 7518 that younger son grabbed at an estate sale. No known history.  Appears very clean, with no rust or corrosion visible, so guessing it was mainly used in freshwater. .  Found 4 Ohio registration stickers ion inside of engine cover, dated late 60’s to early 70’s.

    75PSI compression on both cylinders is just fine…