Re: Correct spark plug for 1924 Model D Elto Ruddertwin

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April 2, 2018 at 11:32 pm #73370
RICHARD A. WHITE
Participant

    Lifetime Member

    Try Champion R11’s if you can get them, they run well in my 1925 model C

    http://www.richardsoutboardtools.com
    classicomctools@gmail.com