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Which new master cylinder?

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    Which new master cylinder?

    The master cylinder for my 85 750 EF was a bit beat up before,after my last spill I'd rather get a replacement

    Looking on eBay I found 2 sets that come with clutch lever assemblies.

    These look a bit more like earlier Suzuki units but should look OK on the EF.

    These look somewhat closer to the EF's square MC but more modern.Like the idea of adjustable levers.The 17mm bore size and mirror mounts say these are better suited to street than the advertised dirt bikes.
    Trying to decide which I like better.
    If I wanted/needed 14 MM MC's there are loads of them
    Last edited by Guest; 01-30-2016, 07:22 AM.

    #2
    No feedback at all?I know there's some personal taste involved.Starting to wonder to if even though both say 17mm bore/piston size they might be 14mm or even smaller.Set # 2 is especially worrying me the way fitment's listed

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      #3
      I'd look for something with a 5/8" bore (or the metric equal).
      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

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        #4
        The metric equivalent is 16mm or there about.If the 750 had stock calipers I might be a bit more worried about going to a 17 mm MC but there's a set of opposed piston 550 calipers on it.Don't get me started on how Suzuki ads said the 750 was supposed to get them or that the 550 had themI am thinking the 17 MAY be a better match.BTW it's even harder to find a 16mm-5/8th bore MC

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          #5
          I like this one to http://www.ebay.ca/itm/L-R-7-8-MOTOR...xVHRE7&vxp=mtr got the split clutch perch I like better than the OEM type (#2 in the OP).Think I got my winner.

          Comment


            #6
            Originally posted by SVSooke View Post
            The metric equivalent is 16mm or there about.If the 750 had stock calipers I might be a bit more worried about going to a 17 mm MC but there's a set of opposed piston 550 calipers on it.Don't get me started on how Suzuki ads said the 750 was supposed to get them or that the 550 had themI am thinking the 17 MAY be a better match.BTW it's even harder to find a 16mm-5/8th bore MC
            I have many Suzuki masters. All non crashed. $10+shipping. I believe I have a Triumph master 5/8 bore. Pm me if you want me to check
            Current Rides: 82 GS1100E, 00 Triumph 955 Speed Triple:twistedevil:, 03 Kawasaki ZRX1200, 01 Honda GL1800, '15 Kawasaki 1000 Versys
            Past Rides: 72 Honda SL-125, Kawasaki KE-175, 77 GS750 with total yosh stage 1 kit, 79 GS1000s, 80 GS1000S, 82 GS750e,82 GS1000S, 84 VF500f, 86 FZR600, 95 Triumph Sprint 900,96 Triumph Sprint, 97 Triumph Sprint, 01 Kawasaki ZRX1200, 07 Triumph Tiger 1050, 01 Yam YFZ250F
            Work in progress: 78 GS1000, unknown year GS1100ES

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              #7
              PM incoming,but I reserve the right to plan A

              Comment


                #8
                Wouldn't recommend cheaping out on the master cylinder...went through a few eBay specials before I bought this one for my GS1100:
                1982 Suzuki GS450TZ
                1982 Suzuki GS1100EZ

                Comment


                  #9
                  I had a DUH moment when I remembered this

                  was sitting in my shed.It's a 6000 Kat MC,looks like problem solved for $0

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