Cheap floating rotor and killer calipers (for the slackers)

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  • 81xsproject
    XS-XJ Super Guru
    • Nov 2004
    • 3185
    • Fortuna, CA

    #1

    Cheap floating rotor and killer calipers (for the slackers)

    I can't believe that no one has posted this yet. For those that don't browse the UK forum, there is a very easy mod to go to cheap floating rotors and even some cool aftermarket rotors. I would have posted sooner, but not until I bought MY parts.
    Old TX and RD rotor centers will mount other Yamaha floating outers. The addititional offset facilitates mounting modern calipers, too.

    Chech out these two threads:
    LINK1
    LINK2

    Here is the list of outers that may fit. I got this info from THIS listing for the aftermarkets.

    YZF R1 (98-03)
    YZF R6 (99-02)
    YZF600 Thunder CAT (96-00)
    YZF1000 Thunder ACE (96-98)
    FJR1300 (01-03)
    XJR1300 (99-01))
    TDM 900 2002
    TDM 900 A 2005
    FZ 1 (USA) 1998
    FZS 1000 FAZER 1998
    YZR 1.000 R-1 2002
    BT 1100 BULL DOG 2001
    XVS MIDNIGHT STAR 1300 2007
    '81 XS1100 SH

    Melted to the ground during The Valley Fire

    Sep. 12th 2015

    RIP
  • WMarshy
    XS-XJ Guru
    • Apr 2009
    • 2402
    • Mexico NY

    #2
    Interesting... so what are you using exactly, the TX rotor centers? I would love to have floating rotors and better calipers on my front when I do the FJ fork mod...
    '79 XS11 F
    Stock except K&N

    '79 XS11 SF
    Stock, no title.

    '84 Chevy K-10 "Big Blue"
    GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

    "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

    Comment

    • 81xsproject
      XS-XJ Super Guru
      • Nov 2004
      • 3185
      • Fortuna, CA

      #3
      I picked up a set of 70's RD rotors for $40 to the door. I never did see any of the ones like THESE, though.
      '81 XS1100 SH

      Melted to the ground during The Valley Fire

      Sep. 12th 2015

      RIP

      Comment

      • crazy steve
        XS-XJ Guru MODERATOR
        • Jan 2009
        • 7932
        • Beautiful outer Yelm, WA

        #4
        What are you using for calipers? One issue is the XS rotors seem to be rather thick compared to what's used on newer bikes.

        Post some pics....

        '78E original owner
        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

        • 81xsproject
          XS-XJ Super Guru
          • Nov 2004
          • 3185
          • Fortuna, CA

          #5
          I am a long ways from ANY of this. This is more of an FYI than it is about my project. I still need to do a front end swap of some kind because I have the dumb special forks with the wierd swivle bolt on caliper mount. And, the free FJ front end has yet to show up. It would be an easy mod on standard forks. When the time comes, I will probably put on some R1's but
          Last edited by 81xsproject; 05-28-2010, 09:34 AM.
          '81 XS1100 SH

          Melted to the ground during The Valley Fire

          Sep. 12th 2015

          RIP

          Comment

          • 81xsproject
            XS-XJ Super Guru
            • Nov 2004
            • 3185
            • Fortuna, CA

            #6
            Originally posted by 81xsproject
            ...It would be an easy mod on standard forks. When the time comes, I will probably put on some R1's but
            I stand corrected. Some new info on the UK forum says that the RD/TX center creates a little too much off set to fit in the standard forks.
            '81 XS1100 SH

            Melted to the ground during The Valley Fire

            Sep. 12th 2015

            RIP

            Comment

            • Geezer
              XS-XJ Guru
              • May 2003
              • 2985
              • Willamina, Oregon 97229

              #7
              For someone with a lathe, turning up such a center carrier shouldn't be all that hard. If I had the space to put one, I'd talk SWMBO into letting me get a lathe.

              Now for those that would like the same with less effort. Honda CBR600 rotors up to 2000 have the same offset but the diameter is a couple mm shy. The center hole has to be machined out a couple mm and then drill new holes and you have rotors that are about 1/3 the weight.

              I bought a couple rotors to do this with but the SOB on eBay that sold them to me lied and sold me bent rotors. I had to get eBay involved but I got most of my money back... I've been too bummed about this to try again right now. I have one good 1999 CBR rotor that I traded out of a local bike shop but I need to get a match for it before I try again.

              Geezer
              Hi my name is Tony and I'm a bikeoholic.

              The old gray biker ain't what he used to be.

              Comment

              • Rick
                New
                • Jun 2010
                • 5

                #8
                repalcement calipers

                for the sport 5K7 model (RH in Aus ) EBC rotors bolt straight on as do Harrison billet calipers , no carriers needed . originally made for the RD350 LC , work brilliantly , easy to do , wouldnt say it was a cheap fix though .
                http://www.flickr.com/photos/emzrick...80546/sizes/l/

                Comment

                • Elevener
                  XSive Maximus
                  • Jul 2009
                  • 608
                  • small town in TEXAS

                  #9
                  Originally posted by Rick
                  for the sport 5K7 model (RH in Aus ) EBC rotors bolt straight on as do Harrison billet calipers , no carriers needed . originally made for the RD350 LC , work brilliantly , easy to do , wouldnt say it was a cheap fix though .
                  ]
                  I already have the rotors, Harrison lists for the XS1100S, I have a standard. I didnt see any listed for the RD350LC? Any idea which ones would bolt up?

                  And am I correct in that they would be L452 for the pair? UK sites always confuse me
                  Trapped in time. Surrounded by evil. Low on gas.

                  1980 XS1100G 1179 kit, Tkat brace, progressive springs & shocks, jardine spaghetti, Mikes coils, Geezer's rectifier

                  Comment

                  • XSokieSPECIAL
                    XS-XJ Guru
                    • Jun 2009
                    • 1631
                    • Tulsa, OK

                    #10
                    My brakes work QUITE well the way they are.

                    Comment

                    • Montreux_Blue
                      XS-XJ Guru (Deceased)
                      • May 2008
                      • 1143
                      • Longitude: -85° 57' 43" Latitude: 37° 52' 55"

                      #11
                      Originally posted by XSokieSPECIAL
                      My brakes work QUITE well the way they are.
                      Well if you rebuild the front master cylinder, it will turn you into an Iraqi with a pull of the lever!
                      http://www.myspace.com/i_give_you_power

                      1980 XS11 Special - chopped, dropped and OCTY is still installed - NOW IT'S FOR SALE! $1,800 OBO


                      Famous Myspace quote:

                      "Don't mess with TEXAS! It's not nice to pick on retards."

                      It's funny because I am from TEXAS!

                      Comment

                      • XSokieSPECIAL
                        XS-XJ Guru
                        • Jun 2009
                        • 1631
                        • Tulsa, OK

                        #12
                        la la la la la la la.................BOOM!

                        Comment

                        • Rick
                          New
                          • Jun 2010
                          • 5

                          #13
                          @elevener .... HHmmmm ...... looks like it may only to the 1100S model
                          the LC 350 i believe lists the calipers as items 173 LH & 073RH and lsits the 1100s as the same item . may not apply to the standard sorrry guys if i led u on a bum steer .

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