Re: what does this rubber washer do?

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July 19, 2015 at 1:53 pm #20382
Steve D
Participant

    I’m totally unfamiliar with the RD/BigTwin series but in looking at a few manuals on Marineengine, unless I’m missing something, the first year I see it is 1961 40 HP, and it’s a different number, #0307778.