Re: 54 Johnson RD15A top seal (still) leaks

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September 22, 2015 at 9:41 pm #24403
Don
Participant

    US Member
    quote FrankR:

    An adapter ring could be fabricated to go between the (whatever) seal you find, and the crankcase bore. Personally, I don’t think blocking the vertical slot would be a problem. In fact it would eliminate that possible leak path. My opinion, only.

    I guess you are right, the vacuum port wouldn’t really be needed if an actual seal was installed.