Announcement

Collapse
No announcement yet.

Center stand mounts broken

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Center stand mounts broken

    I was looking at the bike today to try and "fix" the center stand. Previously when I tried to put the bike on the center stand the bike leaned to the right. It got progressivly worse. So the quick fix was not to use it. I just assumed the stand was bent. However this is not the case. Where the mounts for the stand are welded to the frame, the frams is tore and the mount is out of place.
    My question is, can I hammer the mount back into place and reweld it or do I have bigger issues than what I am anticipating. How much structure am I giving up riding it as it is? Obviously I want to repair ASAP.
    Thanks,
    Vince
    '82 XJ1100
    '07 Harley Nightster (SWMBO'S)

  • #2
    Don't ride it!

    The frame strength is severely compromised. Your best bet would be to locate an old frame and cut out the section that has the mount in it, and have that welded to your frame. You may want to raise/hang the front of the bike from the rafters/tree branch, standeing it up, to be able to access that area.

    Comment


    • #3
      Tig welding it would be best if you don't want to send sparks to the rest of the bike or ignite oil deposits.

      I had the same thing happen to my bike but I tore it down to restore it so I only had to flip the frame upside down to fix it.Just make sure you clean the weld area real good before you weld it .

      I also put a bead all the way around the hanger just incase the frame was going to crack where the bracket was still attached to the frame. I ground the welds down and you can't tell there was any problem there at all .
      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.

      Comment


      • #4
        Is this a common failure?

        Hi guys,
        Ive never heard of centrestand brackets failing before I read these posts and I got a sidecar attachment subframe that's partially bolted to mine. It looked pretty sturdy when I installed the subframe and the sidecar alignment hasn't changed so I doubt the thing has moved. Yet. How much should I worry?
        Fred Hill, S'toon
        XS11SG with Spirit of America sidecar
        "The Flying Pumpkin"

        Comment


        • #5
          It's not uncomman for the frame to crack where the center stand bracket is welded to the frame .
          I was surprised to find that I had a cracked frame when I get it back from a safety .
          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.

          Comment


          • #6
            What causes it is getting the bike up on the stand, and letting it CLUNK into position with all the weight of the bike dropping onto it. It's a good idea to be as easy as possible with it while doing this.



            Tod
            Try your hardest to be the kind of person your dog thinks you are.

            You can live to be 100, as long as you give up everything that would make you want to live to be 100!

            Current bikes:
            '06 Suzuki DR650
            *'82 XJ1100 with the 1179 kit. "Mad Maxim"
            '82 XJ1100 Completely stock fixer-upper
            '82 XJ1100 Bagger fixer-upper
            '82 XJ1100 Motor/frame and lots of boxes of parts
            '82 XJ1100 Parts bike
            '81 XS1100 Special
            '81 YZ250
            '80 XS850 Special
            '80 XR100
            *Crashed/Totalled, still own

            Comment


            • #7
              Hi Guys,

              Most of the frames which I have seen crack in the bottom cradle have been badly affected by corrosion INSIDE the rail, where water has got inside, and not managed to get out. (Older KZ kwaks were particularly prone to problems.....)

              Because the frame is made of seamed tube, the worst rust tends to be in a straight line along the original seam...... Usually the left rail is worse than the right 'cos the bike spends time on the side-stand. The corrosion often shows itself near the centre-stand mounts since that is one of the few places where a load is concentrated, and the thin, weakened tube gives way there.

              In other words, make absolutely SURE that the rail is sound BEFORE you start welding up the crack.......

              AlanB
              If it ain't broke, modify it!

              Comment


              • #8
                How does the water get in there??? Maybe it would pay to put bolts or plugs into the front crossmember where faring brackets would otherwise be mounted to.

                Originally posted by AlanB
                Most of the frames which I have seen crack in the bottom cradle have been badly affected by corrosion INSIDE the rail, where water has got inside, and not managed to get out. (Older KZ kwaks were particularly prone to problems.....)

                Skids (Sid Hansen)

                Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

                Comment


                • #9
                  Hi Skids,
                  it's been my experience that it's very difficult to keep water out of things even (or especially) if you can't see how it could get in. How about drilling small holes in the bottom of the lowest frame tubes to let it out?
                  Fred Hill, S'toon
                  XS11SG with Spirit of America sidecar
                  "The Flying Pumpkin"

                  Comment


                  • #10
                    small holes

                    Hi fredintoon,

                    Yes... and then one could periodically fog in some rust preventative.
                    tdog
                    '81 H

                    Comment


                    • #11
                      Glad to see posts like this, as I never once thought of checking there for frame cracks. You wanna bet I will be checking mine. I have learned so many things from this site already and with the knowledge of all its members, I know i will learn plenty more. Thanks
                      2-79 XS1100 SF
                      2-78 XS1100 E Best bike Ever
                      80 XS 1100 SG Big bore kit but not fully running yet.
                      Couple of more parts bikes of which 2 more will live!

                      Comment


                      • #12
                        Vince,
                        Where does that put you rally-wise and is there anything I can do to help?
                        Harry

                        The voices in my head are giving me the silent treatment.

                        '79 Standard
                        '82 XJ1100
                        '84 FJ1100


                        Acta Non Verba

                        Comment


                        • #13
                          I will be welding it back together next week. I will be out of town all weekend. I will have it fixed by rally time. Thanks for all of the replies.
                          There does not seem to be any corrision arond the section that needs welded. I figure a dremel tool will be the best to clean around the bracket and prep it for the weld.
                          '82 XJ1100
                          '07 Harley Nightster (SWMBO'S)

                          Comment


                          • #14
                            Good used frame for sale on ebay...

                            There's what appears to be a good used frame for sale on ebay for 200 bucks right now. Just search "Yamaha XS1100 frame with papers." I don't know what year/model it is but you should be able to tell that from the vin number that they provide...
                            Tim Ripley - Gaithersburg, MD
                            1981 XS1100 Special "Spoiled Rotten" Just sold - currently bikeless!!
                            23mm float height
                            120 main jets
                            42.5 pilot jets
                            drilled stock airbox with K&N
                            Jardine 4 to 1 Exhaust
                            spade fusebox
                            1st and 2nd gear fix

                            Comment


                            • #15
                              I'm a Fitter Welder by trade and the water gets in via condensation. I drilled little 3/16" drain holes in both frame rails near the oil pan and a small amount of rust and debris came out.

                              Cheers
                              Peter.

                              Comment

                              Working...
                              X