Reply To: OMC Gearcase assembly swap?

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September 27, 2025 at 3:55 am #300183
Jeff Barsch
Participant

    US Member

    Perhaps the difference must be in the driveshaft splines either number or length on the powerhead side then?

    1954 Evinrude 7.5 HP
    1954 Evinrude 15 HP
    1954 Gale 12 HP
    1955 Johnson 10 HP
    1956 Johnson 10 HP
    1956 Gale 12 HP
    1956 Evinrude 5.5 HP
    1957 Johnson Golden Javelin 35
    1958 Johnson 7.5
    1960 Evinrude 18 HP
    1973 Johnson 6 HP