Home Forum Ask A Member 1936 Evinrude 9017, 16.2 hp, Sportfour Imperial Electric Start

Viewing 10 posts - 11 through 20 (of 27 total)
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  • #300236
    Gary Haight
    Participant

      US Member

      I looked at your detailed engine rebuild pictures to see how one might add tension to advance lever.      1-could you put a spring washer under points plate or under points cam? The cam nut would I think dictate tension possibly?     2-Some sort of shim in lever cross shaft tube?    3- another spring washer under other end of cross shaft. I believe you said you already installed one at one end.    4-drill and tap a hole in cross shaft casing and install a tension set screw. I do not know if there would be an access hole for adjustment.  Just some thoughts on possible ways.

       

       

       

      #300242
      Buccaneer
      Participant

        US Member

        Gary, thanks for the ideas.
        There’s no axial slack in the cross-shaft for another spring washer.

        I was just looking at some old disassembly photos, and am wondering
        if there’s suppose to be some friction “setup” between the lever
        and housing. Will investigate closer.

        DSCN3117

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        #300244
        Buccaneer
        Participant

          US Member

          This is the “ignition points plate” upside down. I don’t remember any
          thrust washer being under it, but maybe could be one?

          DSCN3202

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          #300248
          Gary Haight
          Participant

            US Member

            I saw your picture of the point plate upside down. That is when I thought that being your regulator was missing pieces, maybe the point plate was off at some point and parts could have been left out.  Without a parts diagram, only a guess.
            Now that I see your new picture of the underside of the housing with lever, is it possible that there was a control cable hooked up to the lever to control it?  I know you said you have a choke lever bracket.
            Your idea of maybe a tensioner between the lever and housing could also have been there. A ball bearing inserted in hole in lever applying tension on housing?  Just throwing ideas out there.

             

            #300251
            Buccaneer
            Participant

              US Member

              Gary, The item I have an arrow pointing to, is as you mention,
              a swivel nut affair riveted on, to which the inner Bowden cable attaches to.
              There’s a 1/4″ hole through the lever about 1″ from the arrow.
              Not sure what it was originally for, but it’s now where my tensioner
              resides.
              Once I got the idea, it only took a few minutes to make up a tensioner.
              I drilled and tapped a 1/4″ long piece of 3/8″ Delron, and attached it
              to the lever with a 1/4″ bolt and nut.
              Turning the nut down forces the Delron piece up against the bottom of
              the electrical gear housing.
              It seems like it will work okay.

              I looked over the prop situation more, and while I seen one prop stamped 97
              before, today I discovered that the other prop is also stamped 97.
              Not sure if that’s an OMC prop number, but I find no reference to it on
              the Internet.

              I went to YouTube School of Higher Learning, and came to the conclusion that
              both props are basically 10″ diameter x 9″ pitch.
              Not sure if that’s what I need for the Crestliner, but it will have to do.
              I ended up putting the 1938 Sportfour prop on anyway, as one blade on the
              other prop is bent aft about 1/4″ higher than the other blades.

              Lastly, I reset the ignition timing so now it’s more advanced while the lever is retarded
              all the way.
              The points break contact when the piston looks to be about 1/8″ before TDC.
              Perhaps too much advance, but it took about 15 tries to get it even close
              to where I wanted it.
              It’s a real pain to try to tighten the points cam lock nut, without
              the cam advancing itself while the nut as it’s being tightened.
              There’s no good way to hold the cam while tightening the nut. There is
              a notch in the topside of the cam, but there’s not enough clearance for any
              kind of a spanner wrench.
              Would like to see what tool the Evinrude boys used for the job!

              While out of water, I primed the motor a couple of pumps, and it fired up
              for about three seconds, and it sounded like it meant business!
              Weather permitting, I hope to retry on the lake soon.

              DSCN3555

              DSCN3554

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              #300254
              Buccaneer
              Participant

                US Member

                Dug deep on my hard drive, and found this data as showing
                a # 97 prop for the 1938 Sportfours and up.
                Not sure if the 36 Sportfour would be the same or not, but
                guessing so.
                Also, it shows it as a “Standard” prop.
                PropCodes-Second-Pg

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                #300257
                HARRY D. NICHOLSON
                Participant

                  US MEMBER PAY BY CHECK

                  That same Evinrude Service Manual shows the 1936 Sportfour model 9015 (magneto) as having a standard prop code stamped on the prop as #47. Don’t know pitch or dia, or if differences exist between ’36 and ’38 gearcases or RPMs. The #47 prop is also used on ’32-’35 magneto Evin Sportfour and ’35,’37,’38 Electric Start Sportfours and ’34-’35 Elto Sportfour, and ’32-’33 Elto Junior Quad. The #47 and #97 have different Evinrude part numbers.

                  #300261
                  Buccaneer
                  Participant

                    US Member

                    Thanks for the data Harry. I found that the prop 97 is listed as 9-3/4″ x 9-3/4″.
                    I guess for now, I’ll see if advancing the timing gets the old girl to wind up
                    better. If not, smaller boat, or different prop perhaps!

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                    #300262
                    Buccaneer
                    Participant

                      US Member

                      Found some data in a Michigan prop catalog.

                      Michigan-Props-for-Sportfour

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                      #300266
                      Gary Haight
                      Participant

                        US Member

                        Great job on the lever tensioner.  To advance or retard the timing, can you just lengthen or shorten the treaded rod that goes from the lever to the points plate? If so, that looks like you would be able to make adjustments a lot easier.

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