Champion 1956 Twin 7.8 HP question

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  • March 22, 2015 at 1:11 am #986
    mercuryman
    Participant

      What kind of bearings are used in this motor, I can’t find a parts book

      March 22, 2015 at 1:38 am #12499
      frankr
      Participant

        US Member

        Model number?? Well, a model 4ND looks like I see 64 needles listed for the connecting rods, so I assume that is 32 for each big end. Shows a bronze bushing for lower main, can’t tell what the upper is because the bearing and bearing head are listed as one assembly.

        March 22, 2015 at 11:52 am #12515
        mercuryman
        Participant

          Thanks I better use plenty of oil.

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