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78 GS750 engine overhaul on the Cheap!

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    #76
    A couple token shots of the engine. It cleaned up very nicely.
    IMG_1440.jpg
    Last edited by Bobbys 94; 05-11-2024, 11:21 PM.
    1977 GS750
    1978 GS750
    1979 GS750L
    1980 GS550e
    1978 KZ1000
    1975 Honda XL350 K1

    Comment


      #77
      Left side close up of the engine.
      IMG_1439.jpg
      1977 GS750
      1978 GS750
      1979 GS750L
      1980 GS550e
      1978 KZ1000
      1975 Honda XL350 K1

      Comment


        #78
        Got the GS running like new. Everything works as it should. Rode about 6 miles going through the gears and all felt pretty good for a 47-year-old machine. I plan on keeping this at least until my grandson shows interest and is worthy owning and riding this machine and the upkeep that goes with it.
        The pic below shows how it looked after most of the general maintenance had been done and a good cleaning/polishing.
        IMG_1457.jpg
        Last edited by Bobbys 94; 06-11-2024, 06:52 PM.
        1977 GS750
        1978 GS750
        1979 GS750L
        1980 GS550e
        1978 KZ1000
        1975 Honda XL350 K1

        Comment


          #79
          Pictured below is what I've begun to service on my GS.
          Forks had little to no fluid in them and seals were dry and brittle. Front wheel bearings made some noticeable noise while riding. Rear hub/carrier felt warmer than it should have for only going 6 miles. So I did what everyone should do on a 47 +- year old machine that you plan on counting on for a safe and reliable ride "Every time"
          IMG_1459.jpg
          Last edited by Bobbys 94; 06-12-2024, 12:11 PM.
          1977 GS750
          1978 GS750
          1979 GS750L
          1980 GS550e
          1978 KZ1000
          1975 Honda XL350 K1

          Comment


            #80
            Other side of my GS. Removed swingarm and it needed it, About 38 years ago! Swingarm needle brgs had only hard grease in them. Kinda like candle wax. No" Lubrification"
            I rebuilt both brake master cylinders and both calipers. New brake pads and new front brake hoses. Dot 5 synthetic fluid.

            IMG_1460.jpg
            Last edited by Bobbys 94; 06-10-2024, 10:58 PM.
            1977 GS750
            1978 GS750
            1979 GS750L
            1980 GS550e
            1978 KZ1000
            1975 Honda XL350 K1

            Comment


              #81
              Pic below shows the "3" different brands of bearings and to my knowledge, NSK was the bearing manufacturer of choice by most metric bike manufacturers, back in the day. Only one of my removed bearings is NSK, the front set is Turkish made and two of the rears are unknown manufacturer. The front brgs could not be turned by hand after the wheel was removed. One of the rear hub brgs was the same. The only NSK brg was the sprocket/carrier large brg. It's grease was also like candle wax.

              IMG_1463.jpg
              Last edited by Bobbys 94; 06-10-2024, 10:48 PM.
              1977 GS750
              1978 GS750
              1979 GS750L
              1980 GS550e
              1978 KZ1000
              1975 Honda XL350 K1

              Comment


                #82
                Notice that the rear tire still has lil nibblets on it, not many miles where put on the two tires but they are 38 years old. If you look close at the sidewalls you can see tiny cracks throughout the entire tire.
                Installing new Dunlop tires with new tubes and rim strips as we speak.
                Last edited by Bobbys 94; 06-12-2024, 12:10 PM.
                1977 GS750
                1978 GS750
                1979 GS750L
                1980 GS550e
                1978 KZ1000
                1975 Honda XL350 K1

                Comment


                  #83
                  Looks like about all back to exactly like it was back then, Loving it all., Wondering if a GS1100E alum. swingarm would bolt right in there as easy as the steel one? Liter, never rust, a bit stronger, and still an OEM Suzuki part... Like I said, loving it all.
                  1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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