Spark plug for Evinrude RBM

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  • July 24, 2016 at 3:53 pm #4830
    hirschlt37
    Participant

      US Member - 1 Year (includes $3 online payment fee)

      What is the correct spark plug for the old Evinrude RBM? Seems I have an AC73…like to switch to a Champion…my charts don’t go back that far….thanks, Gary

      July 24, 2016 at 4:31 pm #40818
      joecb
      Participant

        US Member - 2 Years

        A Champion C-4 is a nice original looking plug and runs very well in my motors. That plug has the 7/8 " thread. This plug is pretty common as it is the spark plug use in Model A Fords. Available e-bay of Snyder’s antique Ford parts.

        Joe B

        July 24, 2016 at 4:55 pm #40820
        RICHARD A. WHITE
        Participant

          Lifetime Member

          I use any of the following for my 1914
          AC 75 COM
          Champion W14

          And whatever else uses 7/8 threads
          I think depending on the year it matters as the old ancient ones used pipe threads, 1910 thru 12 I think used pipe threads..

          The W14 will work… not period correct but will run, use the same in my Caille Liberty Twin.

          Regards

          Richard

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

          July 24, 2016 at 5:22 pm #40822
          hirschlt37
          Participant

            US Member - 1 Year (includes $3 online payment fee)

            Thanks Joe and Richard; I’ll take your advice….hopefully run it at the next Big Fish Lake meet…I bought a nice 1921 with magneto…runs great. Gary from Hadley…

            July 24, 2016 at 5:33 pm #40823
            pm-t2
            Participant

              Canada Member - 2 Years

              specified plug is a Champion 0 (as in "zero")

              Most common plug is Champion 0 COM. Easy to find. No reason to use anything other than the proper plug for it.

              If you want modern equivalent in an Autolite, they can be bought over the counter, ask for the 3076.

              Hope this helps.

              best,
              PM T2

              July 25, 2016 at 12:38 pm #40898
              hirschlt37
              Participant

                US Member - 1 Year (includes $3 online payment fee)

                PM T2;

                Where to search for a Champion 0….on the internet?? Gary

                July 25, 2016 at 1:03 pm #40900
                brook-n
                Participant

                  I will 2nd Chris’s recommendation. ( 0 COM. )
                  However I have used others with sucess.
                  To Richard’s point it would depend on the year.

                  Respectfully

                  July 25, 2016 at 3:18 pm #40902
                  pm-t2
                  Participant

                    Canada Member - 2 Years

                    http://www.ebay.com/sch/i.html?_odkw=South+Bend+lathe&_armrs=1&_mPrRngCbx=1&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.XChampion+0+Com.TRS0&_nkw=Champion+0+Com&_sacat=0

                    check at club meets, try advertising for one, etc etc.

                    The Autolites sell for about 4 bucks, they usually sell them at tractor shows or hit-and-miss engine exhibits too.

                    hope this helps.

                    PM T2

                    July 26, 2016 at 12:18 pm #40966
                    hirschlt37
                    Participant

                      US Member - 1 Year (includes $3 online payment fee)

                      Thanks PM T2, I followed the link and made a purchase…I think the motor will look better with a Champion plug….I never cared for AC or Auto-lite…

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