Reply To: Seal Upper Crankshaft Bearing Evinrude 18 HP 1960

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September 26, 2022 at 4:49 pm #266721
Don
Participant

    US Member

    This is a great question, and a much debated topic.  Definitely do not use an oring, or the excess oil problem could actually be aggravated.  I’m not a big fan of this system, it’s too bad they couldn’t have combined this system with an oring as well.  Double protection.