Oil Sight Glass

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  • zuluwiz
    Forum Mentor
    • May 2017
    • 308
    • the Buckeye State

    #1

    Oil Sight Glass

    I have a 81 GS850 and I can't tell the oil level looking through the sight glass in the clutch cover. I know these darken with age, so my questions are: how do I clean it? Or can I clean it? Does the clutch cover need to be removed, or can I clean it while it's mounted? Or does it need replaced, in which case where do I find one? Or do I have to replace the clutch cover entirely? This would be a good time of year to attempt this. Anybody else have this problem? (there's got to be someone.)
    Expecting the Spanish Inquisition
    1981 GS850G: the Ratzuki
    1981 GS1100E
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35784
    • Torrance, CA

    #2



    For more information try this...

    Click "Advanced Search"
    Type SIGHT GLASS into search field
    Toggle "titles only"
    Search...
    Start reading various threads talking about this topic. That's how I found the information for the part posted above.

    Good luck
    Last edited by Nessism; 12-12-2018, 03:43 PM.
    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

    • Boriqua

      #3
      I had a hard time seeing mine clearly until this past summer when I used Lucus oil which must be laden with cleaners because when I changed my oil suddenly my sight glass was clean. Certainly not as sure a fix as new or a good cleaning but it did work for me. It was an unintended plus.

      Comment

      • Gorminrider
        Forum Sage
        Past Site Supporter
        • Aug 2012
        • 4803
        • British Columbia, Canada

        #4
        bah! I hate these. New oil can't be seen when bending down from the seat. I mean, putting the bike on the centre-stand with travelling luggage in some mountain gasstation when you Need to check? Ridiculous. I know why Suzuki did it; because you can't get a dip-stick down straight on the bikes that have them. I bent up a piece of coathanger to work.

        Comment

        • bwringer
          Forum LongTimer
          Bard Award Winner
          GSResource Superstar
          Past Site Supporter
          Super Site Supporter
          • Oct 2003
          • 17066
          • Indianapolis

          #5
          Originally posted by Boriqua
          I had a hard time seeing mine clearly until this past summer when I used Lucus oil which must be laden with cleaners because when I changed my oil suddenly my sight glass was clean. Certainly not as sure a fix as new or a good cleaning but it did work for me. It was an unintended plus.
          Thank you for supporting our football stadium!



          (No seriously, Lucas oils are pretty darn good stuff. Good fork oil, too.)
          1983 GS850G, Cosmos Blue.
          2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
          2015 Yamaha FJ-09, Magma Red Power Corrupts...
          Eat more venison.

          Please provide details. The GSR Hive Mind is nearly omniscient, but not yet clairvoyant.

          Celeriter equita, converteque saepe.

          SUPPORT THIS SITE! DONATE TODAY!

          Co-host of "The Riding Obsession" sport-touring motorcycling podcast at tro.bike!

          Comment

          • Boriqua

            #6
            Originally posted by bwringer
            Thank you for supporting our football stadium!



            (No seriously, Lucas oils are pretty darn good stuff. Good fork oil, too.)
            Happy to do it!! Even now with my winter blend (10w40) the engine sounds smooth as hell, shifting is better than ever and it just makes me and my bike happy! Yea its expensive but .. hey my bike is worth it.

            Comment

            • 850 Combat
              Forum Guru
              Past Site Supporter
              • Sep 2006
              • 6018
              • Spokane, WA, and Hampden, ME

              #7
              Originally posted by Nessism
              https://www.ebay.com/itm/Suzuki-DR10...XR4q:rk:3:pf:0


              For more information try this...

              Click "Advanced Search"
              Type SIGHT GLASS into search field
              Toggle "titles only"
              Search...
              Start reading various threads talking about this topic. That's how I found the information for the part posted above.

              Good luck
              Would I need to drain my oil to install that?
              sigpic Too old, too many bikes, too many cars, too many things

              Comment

              • bwringer
                Forum LongTimer
                Bard Award Winner
                GSResource Superstar
                Past Site Supporter
                Super Site Supporter
                • Oct 2003
                • 17066
                • Indianapolis

                #8
                Originally posted by 850 Combat
                Would I need to drain my oil to install that?
                No, if you put the bike on the kickstand, all the oil runs to the left side and you won't lose any when you remove the clutch cover. Let the bike sit on the kickstand for an hour or two beforehand, and it's a pretty clean operation.

                That said... I'm honestly not 100% sure whether you absolutely have to remove the clutch cover (and thus also have to replace the clutch cover gasket) to replace the sight glass.

                Perhaps someone else could weigh in who's done it that way. I've only replaced these when the clutch cover is off for other reasons, so it's dead easy to knock the old one out and push the new one in.

                Mainly, I'm not sure whether you can consistently pry the sight glass out without breaking the glass.

                If you slather your clutch cover gasket with a thin layer of plain grease, you'll be able to re-use it several times.

                Also, you don't have to get everything from fleaBay, ya know; check the part price at your local Suzuki dealer or favorite source for Suzuki parts.
                1983 GS850G, Cosmos Blue.
                2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
                2015 Yamaha FJ-09, Magma Red Power Corrupts...
                Eat more venison.

                Please provide details. The GSR Hive Mind is nearly omniscient, but not yet clairvoyant.

                Celeriter equita, converteque saepe.

                SUPPORT THIS SITE! DONATE TODAY!

                Co-host of "The Riding Obsession" sport-touring motorcycling podcast at tro.bike!

                Comment

                • 850 Combat
                  Forum Guru
                  Past Site Supporter
                  • Sep 2006
                  • 6018
                  • Spokane, WA, and Hampden, ME

                  #9
                  Originally posted by bwringer
                  No, if you put the bike on the kickstand, all the oil runs to the left side and you won't lose any when you remove the clutch cover. Let the bike sit on the kickstand for an hour or two beforehand, and it's a pretty clean operation.

                  That said... I'm honestly not 100% sure whether you absolutely have to remove the clutch cover (and thus also have to replace the clutch cover gasket) to replace the sight glass.

                  Perhaps someone else could weigh in who's done it that way. I've only replaced these when the clutch cover is off for other reasons, so it's dead easy to knock the old one out and push the new one in.

                  Mainly, I'm not sure whether you can consistently pry the sight glass out without breaking the glass.

                  If you slather your clutch cover gasket with a thin layer of plain grease, you'll be able to re-use it several times.

                  Also, you don't have to get everything from fleaBay, ya know; check the part price at your local Suzuki dealer or favorite source for Suzuki parts.
                  Thanks. I honestly didn't expect a thoughtful and useful response. I thought I was just asking a silly question.
                  sigpic Too old, too many bikes, too many cars, too many things

                  Comment

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

                    #10
                    Seafoam cleaned saight glass on a buddies 82 GS1100GL. Worth a shot to dump a few ounces in and take it for a good ride.
                    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

                    • Boriqua

                      #11
                      Wow learned some new stuff in this thread. Didn't know you could use seafoam in the crankcase and didn't know all that oil would slosh to one side on the sidestand. I guess you could potentially do clutch work without losing the oil?

                      Comment

                      • Guest

                        #12
                        Originally posted by Boriqua
                        I guess you could potentially do clutch work without losing the oil?
                        Dirt bike guys regularly pull clutches just by laying the bike on its side. I have never done that to mess with my GS clutch, but it should also work fine there as well.


                        Mark

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