oil leak - what is this bolt?

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  • jsandidge
    Forum Sage
    Past Site Supporter
    • Jun 2013
    • 1482
    • Norfolk, Virginia

    #1

    oil leak - what is this bolt?

    I have developed a pesky little oil drip. Not much, but a few drops each day I ride. I degreased and sprayed powder. I seem to have found the source. There are 2 bolts on the underside of the case, behind the stator cover. The rear one looks to be the sorce of the leak. What are these bolts? Are they just plugs? Can I just unbolt this and put a copper crush washer on?



    Last edited by jsandidge; 07-27-2014, 12:49 PM.
    https://drive.google.com/open?id=0B9zH8w8Civs8ejBJWjdvYi1LNTg&resourcekey=0-hlJp0Yc4K_VN9g7Jyy4KQg&authuser=fussbucket_1%40msn.com&usp=drive_fs
    1983 GS750ED-Horsetraded for the Ironhead
    1981 HD XLH

    Drew's 850 L Restoration

    Drew's 83 750E Project
  • chuck hahn
    Forum LongTimer
    Past Site Supporter
    • May 2009
    • 25918
    • Norman, Oklahoma

    #2
    ( I think) they bolt the cases together???
    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

    NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

    Comment

    • BIG_brother

      #3
      Drain bolt for the secondary drive? What bike is it?

      Comment

      • chuck hahn
        Forum LongTimer
        Past Site Supporter
        • May 2009
        • 25918
        • Norman, Oklahoma

        #4
        Secondary drain is under the small rear cover where a chain sprocket cover would be. thumbnail said 82 850
        MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
        1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

        NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


        I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

        Comment

        • jsandidge
          Forum Sage
          Past Site Supporter
          • Jun 2013
          • 1482
          • Norfolk, Virginia

          #5
          Case bolts

          I do believe Chuck is right as far as case bolts. The main question is how to stop the leak?
          https://drive.google.com/open?id=0B9zH8w8Civs8ejBJWjdvYi1LNTg&resourcekey=0-hlJp0Yc4K_VN9g7Jyy4KQg&authuser=fussbucket_1%40msn.com&usp=drive_fs
          1983 GS750ED-Horsetraded for the Ironhead
          1981 HD XLH

          Drew's 850 L Restoration

          Drew's 83 750E Project

          Comment

          • chuck hahn
            Forum LongTimer
            Past Site Supporter
            • May 2009
            • 25918
            • Norman, Oklahoma

            #6
            If its a case bolt it shouldnt leak unless the case sealant itself is failing..which is a very very rare thing to me. The sealer ( in theory ) should have been spread all around the holes in the halves to prevent just this thing.

            Drain the oil into a real clean drip pan and remove the bolt. Squish some RTV into the hole and around the shoulder and tighten it down maybe???
            MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
            1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

            NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


            I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

            Comment

            • Guest

              #7
              Yeah case bolts. that is where GXSR7ED's leak was on his 750T, I pulled them out, cleaned them and applied a little bit of Honda bond on them. Pretty much stopped the leak.

              Comment

              • jsandidge
                Forum Sage
                Past Site Supporter
                • Jun 2013
                • 1482
                • Norfolk, Virginia

                #8
                Yes, they are definitely case bolts. I pulled both of them out. The front one that was not leaking looked as if it had a thread sealer on it.
                The leaky one had no thread sealer and there was oil in the threads. I did put some RTV around the shoulder of the bolt. It appears to be working. We'll see with some commuting this week.
                https://drive.google.com/open?id=0B9zH8w8Civs8ejBJWjdvYi1LNTg&resourcekey=0-hlJp0Yc4K_VN9g7Jyy4KQg&authuser=fussbucket_1%40msn.com&usp=drive_fs
                1983 GS750ED-Horsetraded for the Ironhead
                1981 HD XLH

                Drew's 850 L Restoration

                Drew's 83 750E Project

                Comment

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