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  • Drive Shaft Oil Seals

    Hi XS/XJers,
    I have a slight oil spray that is coming from the final drive area and ends up on my back rim and tire after riding. I had my oil seals in the axle replaced but I still get the spray. I am told it could be the oil seal in the drive shaft. Does this sound like a reasonable assumption and how big of a job is it to replace the seal.

    Thanks,
    Wayne Reddin
    80 XS1100 SG "Phoenix"
    80 XS1100 SG "Phoenix"

    "We are the type of band that if we moved in next door to you...Your lawn would die"
    Lemmy from Motorhead

  • #2
    Sounds about right! Dismantling the drive hub/shaft is not a big deal (even a Science teacher can manage that ). See if you can buy a new seal from the Yamaha dealer, otherwise reuse the old seal with silicone sealant (the one for gaskets). Not much more than an hour's job, unless you add beer to your tool kit
    Norm Willey
    94 BMW K75RT
    nwilley@shaw.ca

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    • #3
      Check the sealing o-ring in final drive(try re-torqueing nuts on the final drive,think there's ten or so with 6 mm nuts,can be seen when you pull rear wheel off)...Will

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      • #4
        oil spray problem

        did you get your oil spray problem fixed? I am having the same problem. I replaced the oil seal around the drive spline gear that mates up with the spline gear on the wheel and I am still getting oil on the wheel. It seems to be leaking into the "plastic bowl" on the wheel and being slung out onto the tire and rim. mine is a '79 xs1100sf.
        eric
        '79 XS 1100 Special

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        • #5
          Drive Shaft Oil Seals

          Hi Hatch,
          You might want to try what Will suggeted in the previous post with the 6 mm bolts. If that doesn't work then I guess you and I both will be taking more drastic measures

          Have fun,
          Wayne Reddin
          80 XS1100 SG "Phoenix"

          "We are the type of band that if we moved in next door to you...Your lawn would die"
          Lemmy from Motorhead

          Comment


          • #6
            oil problem

            the nuts should be checked,but if it was apart then when it was reassembled the sealing O-ring(quite a large o-ring) might have been damaged (pinched or just plain worn- out).....Will

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            • #7
              Im having the same problem gear oil is leaking on back tire rim and plastic bowl? I bought the seals one is approx 3.5 inches and the other is approximately 1 5\8 inch, i ordered the approx 6 inch o ring do I need any other parts to fix the gear oil leak? I have a spare rear end to practice on, i have the 10 bolts off and the "plate " off i dont see how to fix the small seal? and I cant pry the old 3.5 in seal out? can some tell me how to fix the seals ( I am a beginner) Im practicing on an old rear end "final drive" off a 750 special it is the same as my 1100g?

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              • #8
                i just figured out the 3.5 inch seal( my terms are bad) i bent the old one getting it out, any tips on how not to break the very old one?I understand the 6 inch oring? is the small seal on the driveshaft end? What foot pounds of torque on the 10 bolts? help me with my terms also please , the guy at the yamaha said there are four things that can cause gear oil leak 2rings and 2 orings. i only see one oring?what else?when installing the new seals and oring(s) do i use petro jelly or nothing?

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                • #9
                  strom had a link posted to the shaft drive and rear gear service manual, here is the original post:

                  I'd like to get one for 78e... in electronic state

                  However, I have the shaft drive service/repair manual. I think it's for XS750, but the shafts are the same as on XS 1100, etc...
                  You can download it on http://213.143.72.86 the stuff section.

                  LP


                  The link does not seem to be working now, maybe he can send you a copy or link to another site? I would PM him or email him and see, look up his info in the Members section at the top of the screen.
                  Gary Granger
                  Remember, we are the caretakers of mechanical art.
                  2013 Suzuki DR650SE, 2009 Kawasaki Concours 1400, 2003 Aprilia RSV Mille Tuono

                  Comment


                  • #10
                    Originally posted by nwilley
                    Sounds about right! Dismantling the drive hub/shaft is not a big deal (even a Science teacher can manage that ). See if you can buy a new seal from the Yamaha dealer, otherwise reuse the old seal with silicone sealant (the one for gaskets). Not much more than an hour's job, unless you add beer to your tool kit
                    if you open the bevel box,or even remove the large nut you will alter the preload on the gears, the bevel gears in the hub need to be shimmed correctlly to ensure proper contact,or all sorts of mechanical mayhem can happen,even a locked up rear wheel! i had a diff seize on the motorway at 90mph...(er sorry 70mph officer). this was due to a burst seal.so my advice is fix those seals,but DONT do it yourself unless you are a competent mechanic who has expierience of preloading bevel drives(same goes for middle gearbox).....be carefull
                    Last edited by chopper; 02-21-2003, 06:51 AM.
                    mick
                    xs1.1s(x2)
                    gsxr1100(1127)
                    gsx1100g(x2)
                    trophy900
                    bonneville750

                    http://www.tonyfoale.com/

                    Comment


                    • #11
                      Originally posted by chopper
                      if you open the bevel box,or even remove the large nut you will alter the preload on the gears, the bevel gears in the hub need to be shimmed correctlly to ensure proper contact,or all sorts of mechanical mayhem can happen,even a locked up rear wheel!
                      I was under the impression that the preload is adjusted by adding or removing shims as needed during assembly. I think that is what I read in the manual anyway. If all you are doing is disassembly, cleaning, replaceing seals and o-rings, and putting it back together the same way, how would the preload change?

                      Not trying to start an argument here, more of a fact finding discussion. I've never had one apart before so just trying to get as many facts as I can in case I ever have to.
                      Brian
                      1978E Midlife Crisis - A work in progress
                      1984 Kawasaki 550 Ltd - Gone, but not forgotten

                      A married man should forget his mistakes. There's no use in two people
                      remembering the same thing!

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                      • #12
                        the shimming is how it is preloaded,but stripping and rebuilding will change the shimming when the bearings wear or are replaced.
                        mick
                        xs1.1s(x2)
                        gsxr1100(1127)
                        gsx1100g(x2)
                        trophy900
                        bonneville750

                        http://www.tonyfoale.com/

                        Comment


                        • #13
                          Well, my web server is down for now, mainly because I had to move my router/server to my living room/bedroom/everythingexceptgarage and I didn't like the fans and hard drives making all that noise, so there's only a tower/MB/CPU/RAM/FDD/2xNIC in there and no fans, so...

                          I still have the stuff, just waiting for some webspace.
                          If there's a FTP I can upload the thing to... I will. It's bout 25MB .pdf file.

                          Besides, I found it on the net, maybe even on a page in tech tips sources section of this website. It's called yamaha shaft drive service manual or something like that. I belive it's for a 77 XS750, but the drive is identical.

                          Drop me a line on the email.

                          LP
                          If it doesn't have an engine, it's not a sport, it's only a game.
                          (stole that one from I-dont-know-who)

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