1957 Evinrude 7.5 HP

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  • January 12, 2017 at 5:47 pm #50892
    Doug Wilson
    Participant

      US Member - 2 Years

      on one of those motors should run ok. My 5.5 is a little less than that and runs fine.

      Doug

      how is it motors multiply when the garage lights get
      turned off?

      January 12, 2017 at 8:13 pm #50899
      david-bartlett
      Participant

        80 pounds is good for that motor.

        January 12, 2017 at 9:25 pm #50906
        crosbyman
        Participant

          Canada Member

          my turned out to be an excellent engine…

          I used a cheap B&S pump mounted on the back cross bar on my 5.5 you can probably do the same on the 7.5 if you can mount it somewhere

          the best way of course is a OMC pump on a cover plate

          or…. find a side cover with the moldings ready for a pump

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          Joining AOMCI has priviledges 🙂

          January 14, 2017 at 3:38 pm #51021
          fishingnuts
          Participant

            Thanks for the replies. I’ve ordered the B&S fuel pump. When I receive it I’ll figure out where to mount it.

            January 16, 2017 at 2:54 am #51113
            bobthebuilder
            Participant

              80 psi is fine, particularly that you have the same reading on both cylinders. If there is more than 5 psi difference in the 2 cylinder readings the problem becomes serious and the block needs total teardown and rebuild.

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