Re: ’58 Big Twin Lower Crank Seal

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February 11, 2017 at 12:29 pm #52816
Don
Participant

    US Member

    I’m not afraid to admit, I still don’t fully understand how this carbon seal system works! But yes, the quad seal should have been inside the carbon seal groove….
    Another question. Did this system always use a quad seal type oring? Or, was the original style oring updated over the years…