Home › Forum › Ask A Member › Interpreting an expansion plug number? › Re: Interpreting an expansion plug number?

#45007
Anonymous

    As a serial number, that would make it a 1961

    The 40hp models made that year were:
    RD-23
    RDL-23 long shaft
    RDS-23 electric start
    RDSL-23 electric start, long shaft

    The hood would be white fiberglass (with silver on top)