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1991 Evinrude 175 hp Lower Unit ?????

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  • 1991 Evinrude 175 hp Lower Unit ?????


  • #2
    Re: 1991 Evinrude 175 hp Lower Unit ?????

    have had same prob shaft froze in crank or stuck in pump area
    ihave a 150 evinrude 1981 have tryed wooden shims . prying
    pounding you name but one day it will fall off.
    good luck .benny b
    Benny B

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    • #3

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      • #4
        Re: 1991 Evinrude 175 hp Lower Unit ?????

        did you say it dropped a 1/2 inch?

        are you shure you shiftrod is disconected?

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        • #5
          Re: 1991 Evinrude 175 hp Lower Unit ?????

          when you took the pin out did you push the shaft in to free the shift rod?

          your driveshaft is not frozen otherwize it wouldnt drop a 1/2 inch.

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          • #6
            Re: 1991 Evinrude 175 hp Lower Unit ?????

            after I remove the pin (screw-in type pin) I was able to push down and up the shift rod with my hand, just to make sure it was loose, after the lower unit drop 1/2, I was pretty sure that something was holding the lower unit but I look all over to see if something was holding the lower unit from dropping, but I couldn't fine anything.
            Thanks

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            • #7
              Re: 1991 Evinrude 175 hp Lower Unit ?????

              also I found this cable, like it is, it is lose and nothing on the other side of the plug to connect to. any idea what is this cable for. Motor was equipt with Vro pump.


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              • #8
                Re: 1991 Evinrude 175 hp Lower Unit ?????

                Any help will be appreciated

                Thanks

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                • #9
                  Re: 1991 Evinrude 175 hp Lower Unit ?????

                  You must have missed a bolt, there should be 6 of them. 4 obvious ones that you can see, one under the plate, and then one more big one in the back of the lower unit, closest to the prop.

                  Also I have put some carpet down before and stood on the cavitation plate and bounced up and down until the L/U dropped, but that is only after I KNEW that all the bolts were out and the shift rod was completely disconnected.

                  I thought you had the pin type shift rod connection that you have to push towards the port side to release. If you say you have the screw type, then make sure you can move the shift rod back and forth, so you know it's free. DO NOT spin it or move it up and down yet, or you will adjust the height of it, and make more problems for yourself.

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                  • #10

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                    • #11
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                      Re: 1991 Evinrude 175 hp Lower Unit ?????

                      Running it can sometimes free up a stuck drive shaft (not at 3500!), but you're further along than that if it's dropping 1/2". You might try tilting it and see if the angle change gets something to unbind. You're real close, just keep trying.

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