Johnson PO 15

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  • November 10, 2019 at 7:29 pm #186912
    muddog2
    Participant

      I bought a 1923 Elto today and received a Johnson PO 15 with it for free.. I am trying to find out what year it was made. Serial number is 375085. It needs some work and I am wondering if anyone has a repair manual/operators manual via pdf file.
      Thanks, Robert

      November 10, 2019 at 7:54 pm #186915
      Bob Wight
      Participant

        US Member

        I could be wrong on this, but that serial number would make it a 1940 model and the 1940 model was a PO-10. The PO-15 started production in 1941. Great deal to get this one for free along with the Ruddertwin,.

        Bob

        1937 Champion D2C Deluxe Lite Twin
        1954 Johnson CD-11
        1955 Johnson QD-16
        1957 Evinrude Fastwin 18
        1957 Evinrude 3022
        1958 Johnson QD-19
        1958 Johnson FD-12
        1959 Johnson QD-20

        “Every 20 minute job is only a broken bolt away from a 3-day project.”
        "Every time you remove a broken or seized bolt an angel gets his wings."

        November 10, 2019 at 8:04 pm #186917
        muddog2
        Participant

          It says PO 15 on the top where where you wind the rope under model number. I found a site that dated the PO 15 1940-1949. Could not find exact date.
          Robert

          November 10, 2019 at 8:39 pm #186920
          jcrigan
          Participant

            US Member

            I think the PO10 didn’t have the spark plug covers.

            November 10, 2019 at 8:41 pm #186921
            Buccaneer
            Participant

              US Member

              This site shows 1940 as Bob said.
              http://www.yankeeaomci.org/johnsonat85.htm

              Prepare to be boarded!

              November 10, 2019 at 8:51 pm #186923
              Bob Wight
              Participant

                US Member

                I looked at the Old Outboard Handbook which lists the 1940 year serial numbers 355,972 thru 397,900 and your serial number falls within that range. The same book shows the 1940 motor as a PO-10 and the PO-15 model starting in 1941. This serial number listing has been proven wrong before or it could be the model number listing is wrong and the PO-15 started production in 1940. If yours is clearly labeled a PO-15 (and it sure appears to be one) it’s either a 1940 or 1941 model.

                Bob

                1937 Champion D2C Deluxe Lite Twin
                1954 Johnson CD-11
                1955 Johnson QD-16
                1957 Evinrude Fastwin 18
                1957 Evinrude 3022
                1958 Johnson QD-19
                1958 Johnson FD-12
                1959 Johnson QD-20

                “Every 20 minute job is only a broken bolt away from a 3-day project.”
                "Every time you remove a broken or seized bolt an angel gets his wings."

                November 10, 2019 at 9:16 pm #186929
                muddog2
                Participant

                  I am missing one of the spark plug covers.
                  Robert

                  November 12, 2019 at 7:11 pm #187068
                  jimw
                  Participant

                    Hi Muddog
                    The Po-15 is my favorite motor.1940 serial numbers are 355972-397900
                    I live in SE Iowa. ph.is 319-463-7403
                    Jim

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