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  • #1

    Simple clutch problem

    Hi,
    My clutch is slipping on my 1980 midnight special. When I try to accelerate hard like on a freeway on-ramp I have to modulate the throttle or it will slip every time. I am using the proper motorcycle oil.
    SOoo, does anyone have a extra clutch metal plate I can buy from them and put in the 4th spot in the stack?

    Or is that a universal size/part used on many bikes I can get at the local motorsport store?
    Thanks
    1980 Xs1100 MNS Sold for $1800
    2004 Roadstar XV1700
    45 to 50 MPG
    Ask Jesus for Forgiveness before it is too late!
    Tags: None
  • #2
    I've got what you need, send me a PM with where you want it shipped.

    You can also get new stiffer springs if you wanted to.
    1979 xs1100 Special -
    Stock air box/K&N Filter, MAC 4-2 exhaust, Bad-Boy Air horn, TC fuse box, Windshield, Soft bags, Vetter Fairing, Blinkers->Run/Turn/Brake Lights, Headlight Modulator, hard wire GPS power

    Short Stack - 1981 xs1100 Standard - lowered for SWMBO.

    Originally posted by fredintoon
    Goes like a train, corners like a cow, shifts like a Russian tractor, drinks like a fish, you are gonna love it.
    My Bike:
    [link is broken]

    Comment

    • #3
      Heavy duty springs made my clutch slippage almost disappear.

      Cleaning my burnt steel plates with a random orbital sander loaded with 60 grit eliminated it completely.
      I know this, because Tyler knows this.

      1980 SG
      3J6 003509
      Kerker 4-1 (sans baffles)
      Fuse Block Upgrade
      Mike's XS Green Coils
      Pods w/Homemade Velocity Stacks

      Comment

      • #4
        I say get the extra steel plate, just in case but, if you are going to take the cover off and go into the clutch, change the springs too. They are relatively cheap (around $20-$25) and are so easy to replace. Check your friction plate thicknesses too.
        Mike Giroir
        79 XS-1100 Special

        Once you un-can a can of worms, the only way to re-can them is with a bigger can.

        Comment

        • #5
          You can get a set of springs for under 10 bucks. You should definitely replace them when you're in there. They cleared up my clutch slipping.


          EBC Clutch Springs
          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

          • #6
            You can also ...

            shim the springs with a washer underneath ... kinda' like a valve spring on an automotive cyl head. I have a steel too .... 951.443.9708
            80G Mini-bagger
            VM33 Smooth bores, Pods, 4/1 Supertrapp, SS brake lines, fork brace

            Past XS11s

            79F Stone stocker and former daily driver, sold May '10 now converting for N.O. to cafe style
            79SF eventually dismantled for parts
            79F Bought almost new in 80, sold for a house
            79F The Ernie bike sold to a Navy dude summer 08
            79SF Squared-off Special, Vetter/Bates tour pkg., Mikes XS coils, G rear fender and tail light. Sold June 09

            Comment

            • #7
              Got Springs & Plate on the way

              Thanks a lot guys!
              This site is great.
              I have the springs and the plate on the way thanks to you all.

              I have a speedo and tach on the way too.
              I have put about 600 miles on it in the last month for reliability testing. After I get the clutch setup - I think I'll head up Hwy395 and do some camping.

              Thanks
              Bernie
              1980 Xs1100 MNS Sold for $1800
              2004 Roadstar XV1700
              45 to 50 MPG
              Ask Jesus for Forgiveness before it is too late!

              Comment

              • #8
                My 80g did the same thing at 63k on the clock. I bought new plates and springs. ALL the old plates measured well withing specs. The springs were junk though. I went ahead and replaced everything anyway. The springs are alot cheaper and easier to install. Be careful when reinstalling the "star".
                When a 10 isn't enough, get a 11. 80g Hardbagger

                Comment

                • #9
                  Hey Tusler,

                  Funny, but nobody first asked if you are sure that you've done the adjustment at the ENGINE/CLUTCH cover side properly, AND then adjusted the slack at the lever, AND then also made sure that the clutch cable wasn't binding...that the inner cable is sliding easily within the sheath?!

                  Glad you have the parts you need coming, but just wanted to mention the above.

                  WIZ, with the extra steel, shimming the springs isn't needed. Also have heard of a few folks who broke their star plate by putting the washers on the outside of the springs next to the plate, instead of under them next to the clutch basket!

                  Tusler, hopefully you've seen the tech tip about the extra steel, it shows about the star plate and how it can get broken!
                  T.C.
                  T. C. Gresham
                  81SH "Godzilla" . . .1179cc super-rat.
                  79SF "The Teacher" . . .basket case!
                  History shows again and again,
                  How nature points out the folly of men!

                  Comment

                  • #10
                    Thx, TC, I should have been more specific

                    WIZ, with the extra steel, shimming the springs isn't needed. Also have heard of a few folks who broke their star plate by putting the washers on the outside of the springs next to the plate, instead of under them next to the clutch basket!
                    I realize that both are not necessary ... reason I offered both ideas is that Tusler lives close enough to buzz over and pick up a steel, had he wanted to or I coulda' dropped one off. Planedick is close too and has the correct washers. Unfortunately, I just didn't respond to this thread soon enough. Can't imagine him (or me) putting the shims on the wrong side of the springs though .... but stranger things have happened, I guess .... I've certainly made my share of bonehead moves before too.
                    80G Mini-bagger
                    VM33 Smooth bores, Pods, 4/1 Supertrapp, SS brake lines, fork brace

                    Past XS11s

                    79F Stone stocker and former daily driver, sold May '10 now converting for N.O. to cafe style
                    79SF eventually dismantled for parts
                    79F Bought almost new in 80, sold for a house
                    79F The Ernie bike sold to a Navy dude summer 08
                    79SF Squared-off Special, Vetter/Bates tour pkg., Mikes XS coils, G rear fender and tail light. Sold June 09

                    Comment

                    • #11
                      Hi,
                      Yep I 've seen the tech tip about installing the star so it does not break.
                      The adjustments at both ends are good. I have plenty of adjustment left which to me indicates minimal wear. I think you guys hit the nail on the head with the springs. The bike only has 22k on it but simply the age of the springs has made them weak. I'm pretty sure the plate and springs will cure the slip.

                      If I have any problem I'll phone-The Wiz!

                      I get this thing right I'll probably call anyway. I've been wanting to see them bikes you got.
                      1980 Xs1100 MNS Sold for $1800
                      2004 Roadstar XV1700
                      45 to 50 MPG
                      Ask Jesus for Forgiveness before it is too late!

                      Comment

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