Home › Forum › Ask A Member › what test prop for 50hp OMC’s? › Re: what test prop for 50hp OMC’s?

#30254
chris-p
Participant

    The 40/48/50/55/60 (Small diameter housing) from 1976-1988 will interchange.
    Then the 40/48/50 hp motors from 1989-1992 will interchange.
    40/48/50 from 1993-2005 will swap
    70/75 (20 inch shaft) from 1978-late 1981 will swap
    60/65/70/75 from 1982-1988 will swap
    50/60/70 from 1989-2001 will swap
    85-140 (Crossflow 13 spline propshaft) from 1978-1991 will swap
    88-140 (Crossflow 13 spline propshaft) from 1992-1998 will swap

    send me your email and ill send you a spreadsheet with all info on it.