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  • #1

    Rear Brake Question

    I looked and found two other threads that referenced swapping the rear caliper with one from a xs750/850. I seemed to have broken off a bleed screw in my caliper and need a replacement and very tight on cash and found one for the 750 on ebay 21 shipped. I just need a confirmation that these will swap before I pull the trigger to buy another.

    Thanks!
    1979 XS 1100SF Serenity
    1981 XJ650 Midnight - Black Betty
    Road Dog 4 Life
    Tags: None
  • #2
    Have a look here http://www.benefiscal.co.uk/donor.php
    BDF Special
    80SG Vetter bagger 1196 Wiseco big bore kit, Mega Cycle Cams, slotted cam gears, ported and flowed head, bronze intake seats, Dyno Jet kit, Dyno coils and Mikes XS air pods, Venture cam chain adjuster,Geezer's regulator, Clutch mod, Mac 4 into 1 with custom built and tuned baffle, Oil cooler,MikesXS emulators mod.
    Dyno tuned to 98 hp at the rear wheel.

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    • #3
      Part Number

      The part numbers do not match, but I had seen that they swapped anyhow. That is an awesome tool!
      1979 XS 1100SF Serenity
      1981 XJ650 Midnight - Black Betty
      Road Dog 4 Life

      Comment

      • #4
        You looking for a whole caliper or just the bleed screws?
        Nathan
        KD9ARL

        μολὼν λαβέ

        1978 XS1100E
        K&N Filter
        #45 pilot Jet, #137.5 Main Jet
        OEM Exhaust
        ATK Fork Brace
        LED Dash lights
        Ammeter, Oil Pressure, Oil Temp, and Volt Meters
        Green Monster Coils
        SS Brake Lines
        Vision 550 Auto Tensioner

        In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

        Theodore Roosevelt

        Comment

        • #5
          Whole caliper, the bleed screw got frozen in the caliper and then broke off when I tried to take it out. Tried an easy out and broke it, tried to drill, but thanks to the easy out, broke a couple bits.
          1979 XS 1100SF Serenity
          1981 XJ650 Midnight - Black Betty
          Road Dog 4 Life

          Comment

          • #6
            Here an 1100 one for 21.

            http://cgi.ebay.com/ebaymotors/1981-...Q5fAccessories
            Nathan
            KD9ARL

            μολὼν λαβέ

            1978 XS1100E
            K&N Filter
            #45 pilot Jet, #137.5 Main Jet
            OEM Exhaust
            ATK Fork Brace
            LED Dash lights
            Ammeter, Oil Pressure, Oil Temp, and Volt Meters
            Green Monster Coils
            SS Brake Lines
            Vision 550 Auto Tensioner

            In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

            Theodore Roosevelt

            Comment

            • #7
              That looks good, thanks, might do it.
              1979 XS 1100SF Serenity
              1981 XJ650 Midnight - Black Betty
              Road Dog 4 Life

              Comment

              • #8
                The XS650 front calipers are the same as the rear on the XS11. The bleed screw may be positioned differently.
                Marty (in Mississippi)
                XS1100SG
                XS650SK
                XS650SH
                XS650G
                XS6502F
                XS650E

                Comment

                • #9
                  Originally posted by jetmechmarty View Post
                  The XS650 front calipers are the same as the rear on the XS11. The bleed screw may be positioned differently.
                  You need a rear caliper; while Yamaha used the same casting for both front/rear calipers on the XS11 standards, rear Specials and fronts on the 650, once machined they're location-specific. The bleeder screws are in different places and will prove to be very hard to bleed all the air out if put in the wrong place...
                  Fast, Cheap, Reliable... Pick any two

                  '78E original owner - resto project
                  '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
                  '82 XJ rebuild project
                  '80SG restified, red SOLD
                  '79F parts...
                  '81H more parts...

                  Other current bikes:
                  '93 XL1200 Anniversary Sportster 85RWHP
                  '86 XL883/1200 Chopper
                  '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
                  Cage: '13 Mustang GT/CS with a few 'custom' touches
                  Yep, can't leave nuthin' alone...

                  Comment

                  • #10
                    broken bleed nipple

                    I had one of these on my XJ900N. Some cooke had tightened it too much and left exposed to salt air. Broke it off. Took to so called local "mechanic" who tried to just drill it out and got it crooked. Then I took caliper to a proper brake specialist and they put it in a jig, redrilled it, inserted thread insert and now good as new. Upshot - take caliper off and give it to the experts, as they have the gear and experience. Cheaper than replacement and you then know what you have got.
                    Scotty J
                    Burpengary, Q Australia
                    XS1100E 1978
                    XJ900N 1985
                    Ariel 350 Red Hunter 1949

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