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    #1

    leaking shaft boot gs1000

    Hi,
    my 81 gs1000 is leaking engine oil (i think so, as it smells like engine oil) from the shaft boot. its a slow drip, only about a few ml a day. could it be a corroded rubber boot? or faulty o rings or something to the transmission?20161105_104500.jpg here is a photo from the drivers left hand side. you can see the oil drip is only a small droplet hanging off the end of the rubber. but its managed to make a nice little pool underneath over a few weeks.
    thanks
    Tags: drive, leak, oil, rubber, shaft
    #2
    berst.jpghere is a photo from the drivers right hand side.

    Comment

      #3
      here is another photo from the drivers right hand side, pretty much the same photo as last. you can see the drips only small, but the boots covered in shiny oil. i should add that the drive shaft has never been serviced by me or the guy show had it before me and the bikes done 70,000 kms, but runs very well. i cant really tell if the leak is coming from the rear or front end of the boot. in the photos it kind of looks like the rear. but im pretty sure its engine oil not gear oil. as its engine oil colour and smells like it. but perhaps the last owner just put engine oil in the driveshaft. il check the driveshaft oil level soon.
      Attached Files

      Comment

        #4
        Only thing that can let oil get in the boot is a bad oring on the gear flange. There is also an oil seal around the output shaft.

        #15 and #16 here...

        http://shop.hondabikes.com/fiche_section_detail.asp?section=95738&category=Motorcycles&make=SUZUKI&year=1980&fveh=2152
        Last edited by chuck hahn; 11-04-2016, 08:39 PM.
        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

          #5
          This should be your bikes service manual. And the secondary drive gets gear oil and not engine oil.

          http://zeus.mtsac.edu/~cliff/storage/gs/GS1000.pdf
          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

            #6
            could it be a corroded rubber boot?
            The boot is to keep dirt out, not oil in. and yes it's motor oil. The gearbox shares it with the engine.

            Why haven't you undone the boot and looked?

            Comment

              #7
              Originally posted by Gorminrider View Post
              The boot is to keep dirt out, not oil in. and yes it's motor oil. The gearbox shares it with the engine.

              Why haven't you undone the boot and looked?
              Actually it should be gear oil. The engine/transmission and secondary gear area are separated by oil seals so no engine oil should be mixed with the secondary gear oil. If there's engine oil in the secondary area then you have more then one seal leaking.

              1980 GS1000GT (Daily rider with a 1983 1100G engine)
              1998 Honda ST1100 (Daily long distance rider)
              1982 GS850GLZ (Daily rider when the weather is crap)

              Darn, with so many daily riders it's hard to decide which one to jump on next.

              JTGS850GL aka Julius

              GS Resource Greetings

              Comment

                #8
                Or whoever was in there before this guy got the bike used the wrong oil at some point. Dont think it would be a "serious" issue as the gears were still getting lubricated. But in a perfect world there should be gear oil in the secondary.
                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

                  #9
                  oh,my mistake. I am thinking per GS650-still, it's pointless staring at the boot.

                  Comment

                    #10
                    Originally posted by Gorminrider View Post
                    The boot is to keep dirt out, not oil in. and yes it's motor oil. The gearbox shares it with the engine.

                    Why haven't you undone the boot and looked?
                    i.will.get.around.to.it.at.some.point.ive.still.go t.an.ignition.system.on.my.750.to.fix.first.as.its .a.more.pressing.problem.also.why.is.my.spacebar.n ot.working!

                    Comment

                      #11
                      I have the same problem. My boot is leaking a coffee color oil. Changed the gear oil about 3 times and still the same. I'm thinking bad seals. I might just live with it for now. Looks like a big job.

                      Comment

                        #12
                        Its not that bad of a job. Takes a few hrs to get to the bad Oring. Worst thing is resetting the swing arm hinges..having to hold the swing arm up a bit while installing the hinge pins.
                        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

                          #13
                          An'y idea what parts I need? I do all my own work but I am a newb.

                          Comment

                            #14
                            Just a big allen for the swing arm pivots. I didnt have one so I made one. I took an old rear brake pedal pivot and used the bench grinder to grind the splined end to fit into the socket. Glad i did this as it them took a cheater pipe to snap them loose after forever being in there. Drop the back tire, unbolt and remove the pumpkin from the swing arm, remove the pivots and slide the swing arm out the back end. Then remove the bolts holding the bevel gear to the rear of the bike. Throw a big pair of vice grips on the drive shaft and take a hammer to the vice grips and tap the assembly out.

                            Look at the parts fiches and order that big oring. Of course drain the gear oil first.
                            Last edited by chuck hahn; 06-04-2017, 09:02 AM.
                            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

                              #15
                              OH...and when setting the swing arm set the pivots in but dont tighten them down...just snug them. When its all assembled and the back tire is on, youre gonna spin the back tire and listen for any rubbing from the drive shaft or the U joint inside the tube. Youll need to adjust using the pivots till nothings rubbing and each side of the tire is very close to the same distance to the inner rim of the swing arm...follow me???

                              Basically ensuring nothing rubbing inside the tube. The swing arm wont move much but it has some side to side play that needs to be set so things hitting.
                              Last edited by chuck hahn; 06-04-2017, 09:14 AM.
                              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

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