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A pleasant surprise (in the middle of a bunch of crap)

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    A pleasant surprise (in the middle of a bunch of crap)

    Last fall I purchased a spare 750 engine off a guy on ebay. It was local pick up only, and I got it for $40.

    My current engine has some issues, so my plan was to rebuild this one and swap them. I put it on the back burner until today. The weather was nice and I decided to dig in. I have never taken one of these motors apart, so the going was slow.

    I got pretty cheesed off when I removed the starter motor cover and saw that the motor was missing. I don't remember anywhere in the auction saying that it wouldn't be there. I know a case can be made for not including it in the sale, but I think it was a little disingenuous not to mention it.

    This is where it gets super cool. I removed the points cover, and there staring back at me was a brand new looking Dyna ignition. It looked like it just came out of the packaging. Woot! I just tripled my investment. I was about two seconds away from ordering one last week. Glad I didn't now. I find it kind of funny the PO yanked a $10 starter, but left this there.

    Anyway, I wasn't sure how far I was going to go with the rehabbing of this engine, but as I was removing the cylinders about a teaspoon full of hidden dirt fell into the case. It looked kind of like my crank just got back from the beach.

    That is one question answered. I will be completely tearing this things apart. Which on the bright side means I get to strip and paint and do all that great stuff that will result in an engine that looks brand new.

    Get ready for a barrage of questions from me over the next few weeks.

    #2
    Great news about the Dyna igntion.

    You learned lesson number one about doing engine work; always clean the engine first. Simple Green works pretty well along with a good hose off. Hopefully the grit did not go down into any of the roller element crank bearings - not sure how to clean those out properly other than maybe spraying a ton of brake cleaner at the bearing - don't let it spin while you do it, whether using spray or compressed air.

    At any rate, enjoy the project.

    Good luck.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

    Comment


      #3
      I did attempt to clean off the engine, but I missed some crevice that was hiding some crud.

      I think I will definitely be washing it more thoroughly next time, and probably blasting it with some compressed air.

      Comment


        #4
        Originally posted by beergood View Post
        I did attempt to clean off the engine, but I missed some crevice that was hiding some crud.

        I think I will definitely be washing it more thoroughly next time, and probably blasting it with some compressed air.
        The bathtub works great for that.. Just ask my wife...

        Comment


          #5
          The four center head studs held a lot of powdered rust on mine. Some of it fell in.
          Going to pull the pan and try to rinse the rest of it out the bottom.

          I have also used a small tube hooked to a vacuum cleaner to vacuum crud out of tight places.

          Congrats on the ignition, nice score.
          http://img.photobucket.com/albums/v5...tatesMap-1.jpg

          Life is too short to ride an L.

          Comment


            #6
            Originally posted by lecroy View Post
            The bathtub works great for that.. Just ask my wife...
            +1 on the bathtub. and the wife.
            1983 GS 1100 ESD :D

            Comment


              #7
              Originally posted by beergood View Post
              Last fall I purchased a spare 750 engine off a guy on ebay. It was local pick up only, and I got it for $40.

              My current engine has some issues, so my plan was to rebuild this one and swap them. I put it on the back burner until today. The weather was nice and I decided to dig in. I have never taken one of these motors apart, so the going was slow.

              I got pretty cheesed off when I removed the starter motor cover and saw that the motor was missing. I don't remember anywhere in the auction saying that it wouldn't be there. I know a case can be made for not including it in the sale, but I think it was a little disingenuous not to mention it.

              This is where it gets super cool. I removed the points cover, and there staring back at me was a brand new looking Dyna ignition. It looked like it just came out of the packaging. Woot! I just tripled my investment. I was about two seconds away from ordering one last week. Glad I didn't now. I find it kind of funny the PO yanked a $10 starter, but left this there.

              Anyway, I wasn't sure how far I was going to go with the rehabbing of this engine, but as I was removing the cylinders about a teaspoon full of hidden dirt fell into the case. It looked kind of like my crank just got back from the beach.

              That is one question answered. I will be completely tearing this things apart. Which on the bright side means I get to strip and paint and do all that great stuff that will result in an engine that looks brand new.

              Get ready for a barrage of questions from me over the next few weeks.
              i will be watching this, i have a 78750 and i've learned a TON from your threads....oh, your vanity site is ok too, i guess.
              1983 GS 1100 ESD :D

              Comment


                #8
                gday guys, kerosene is great for cleaning bearings and the like,as it leaves a film of oil on everything after it dries off,regards

                Comment

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