o ring

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  • January 18, 2021 at 12:25 pm #228081
    Mumbles
    Participant
      Steve D wrote:

      What o-ring are you looking for? The OMC 301877 and Sierra 18-7100 o-ring that Mumbles mentions is for the shift rod. The one Frank is referring to is for the dual hose fuel connector.

      Agreed. 107’s are for the fuel connector and 201’s are for the carb’s nozzle. I don’t think there is a cheap and easy replacement for the shift rod O ring. At least I haven’t found any yet.

      Main-Jet-O-rings-AOMCI-1

      Dual-Line-O-Rings-001

      January 18, 2021 at 12:39 pm #228088
      GLEN DEUTSCH
      Participant

        US Member

        I am going to keep looking. Will let everyone know if I find some that work. Bugs me that we are charged so much for something that costs next to nothing

        January 18, 2021 at 1:03 pm #228092
        frankr
        Participant

          US Member

          McMaster has the “better” ones also. Just look under mil spec.

          o-rings-mil-spec

          January 18, 2021 at 3:31 pm #228101
          Evinrude 25
          Participant

            The shift rod O-ring OD is 0.245. #107 O-Ring from Mc_mastercarr the OD is 0.206.
            Sierra #18-7100 – O-Ring has I.D. – 0.245″ Width – 0.155″ So the width is 0.555″

            January 18, 2021 at 3:57 pm #228104
            Evinrude 25
            Participant

              What do you think of using this part for shift rod O-ring seals. They could be stacked up 2 or 3 to make up the seal.

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