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Replacing o-ring in front resevoir

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    #1

    Replacing o-ring in front resevoir

    Hello All.

    I have searched and not found if there is a trick to getting the resevoir O-Ring in the channel of the master cylinder body.

    Mine seems to be a smidge too big.
    82 gs1100e FAUX Skunk
    80 gs1000s
    Tags: None
    #2
    Have you cleaned the groove very very well to be sure all that grey scaling is removed? Did you lube the seal with a dab of brake fluid before installation? If all of the above is good, then take your finger and run it around on the seal to get it stretched and pushed back in to the groove as good as possible. Be aware that installing the resivoir cup will take some good old fashioned pressure and wiggling to get it snapped back in. Kinda look in from the top and align the holes with the body so the screws will be real close when you get it in. Youll have to twist it a bit to line up the holes though.
    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

      #3
      Thanks Chuck. Actually I guess I spoke too soon. After I posted that I went back out to the shop and tried using grease to hold it in the groove. It took grease and patience...but it worked.

      Now I just need to find a picture of the order that the new piston cup set goes back together....

      I was waiting for quite a while on the plcae I orderd from to send me the right parts.
      82 gs1100e FAUX Skunk
      80 gs1000s

      Comment

        #4
        Look at any parts fiche such as at bikebandit.com or boulevard suzukis site...also click on the Mega Welcome from Bass Cliff and look for the tutorial. Search feature will undoubtedly bring up several threads..just cruise the nthreads till ya find what you need.
        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
          i went to basscliff's site but only found info on calipers

          on the schematics, it shows the piston cup set as one fuzzy picture

          i think i have most of it figured out, but not positive where the little metal disc goes
          82 gs1100e FAUX Skunk
          80 gs1000s

          Comment

            #6
            Look at the rubber cups...one is gonna have an imprint in it...then assemble the new kit the same way. ( am assuming your doing a full on rebuild ). Next time you disassemble something, snap a picture of the innerds. What i do is lay out a rag and lay the parts down in the order they come out and then take a picture to look at when reassembling.
            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

              #7
              yes full rebuild.

              i definitely should have taken pics.

              when i got the first kit (wrong one) i had everything laid out, easy peasy...but then i had to dissaemble and send it back ..then wait 2 weeks on the new kit... i thought i would remember but didnt.

              i got the rubber on the metal plunger correctly (i think), but cant remember which end of the spring goes in first (small with rubber or large with spring end)

              ...and where the little brass disc goes (washer thing without hile in it)
              82 gs1100e FAUX Skunk
              80 gs1000s

              Comment

                #8
                Lay the parts out in the order you think is right..take a picture and post it. Then we can see what to do. Has been a long time since ive been in one. I "think" I recall the order correctly but dont want to post out of school here.
                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
                  I do know the small end of the spring goes toward the piston...the large end rests on the shoulder inside the bore. If you test it against the piston only one end will fit into the cups recess.
                  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

                    #10
                    Thanks Chuck much appreciated, here they are.

                    82 gs1100e FAUX Skunk
                    80 gs1000s

                    Comment

                      #11
                      Yes...that order..the disc goes bewteen the cup and the metal end of the piston.
                      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

                        #12
                        Thank you thank you thank you...much appreciated. Have a great weekend!
                        82 gs1100e FAUX Skunk
                        80 gs1000s

                        Comment

                          #13
                          Be SURE that you put the circlip in the inner most groove too..take a look at the end of the bore. The inner groove is for the circlip and the outer one is for the dust boot. Otherwise youll have a leaking master cylinder.
                          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

                            #14
                            Swab the bore with a Qtip soaked in brake fluid...this helps the piston slide in and not grip against the dry bore walls.
                            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
                              i just came back in from trying it. didnt see that last message before i went out. no leak but no brake yet. it's not too squirty just a bubble each time i pull the lever....

                              so i bet i didnt get it in far enough, although the boot seemed to bottom out pretty good.

                              i tied the handle back and will take a look at it in the morning.

                              thanks again for all your help. much appreciated
                              82 gs1100e FAUX Skunk
                              80 gs1000s

                              Comment

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