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Rear Tire wear, right side

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  • #1

    Rear Tire wear, right side

    er right center...

    Well my rear tire has some odd tire wear going on. I don' have a good way to measure it.

    I have Shinko Tour Master http://www.shinkotireusa.com/product/product.php?id=22

    See that there are two small lines on either side of the center zigzag line...

    Well the one on the right is basically gone (very little showing if I wipe it clean in spots) and the one on the left is there mostly (somewhat gone in a few spots). Now my question is would that be caused by the tire slightly of center one way or the other? and which way?

    I would think tire too far to the left would make it touch the pavement slightly further to the right of center, where the line is mostly gone.

    There appears to be no movement in the swingarm or tire when on centerstand as I push/pull/jerk/nudge the rear tire so it appears solid.

    Ok, now more information...

    Month ago ish I broke a Ujoint and changed that, middle drive and shaft all at the same time. I took the swingarm off to do this (yeah I know I didn't have too). All back together and two weeks later at a bike rally I notice the swingarm bolts are not even on both sides. I slightly adjust at the rally, thanks to some friends. Thanks guys! Come home and complete the adjustment, or so I think. It appears to all be on straight. Maybe the tire wear happened during all this?....


    Thoughts?

    Thanks,
    Dren
    1979 XS 1100F
    Daily Rider
    DIY'r
    Minneapolis,mn
    Tags: None
  • #2
    Hard to say on the tire wear if it happened in the past or present. Swing arm needs to be equal spacing from the frame on each side.

    Also mark a straight line in your garage floor or driveway, park the bike so both tires are straight ahead and on the line. Now look to see that both tires, front and back edges are also on the line. That will give you alignment of the wheels.
    Life is what happens while your planning everything else!

    When your work speaks for itself, don't interrupt.

    81 XS1100 Special - Humpty Dumpty
    80 XS1100 Special - Project Resurrection


    Previously owned
    93 GSX600F
    80 XS1100 Special - Ruby
    81 XS1100 Special
    81 CB750 C
    80 CB750 C
    78 XS750

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    • #3
      I would say it's more than likely because of the swingarm being out of wack for that time. Shinko tourmasters suck. I only bought one and it lasted about 2000 miles. Changed it before I had to change oil again.

      They wear very quickly. Spend the extra $50 and get a Dunlop E3 next time. You'll be glad you did.
      Greg

      Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

      ― Albert Einstein

      80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

      The list changes.

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      • #4
        Originally posted by BA80 View Post
        Spend the extra $50 and get a Dunlop E3 next time. You'll be glad you did.
        Too bad they don't make them in 17" though....
        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

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        • #5
          ok

          one more reason to switch to a special rim next season along with the 750 final drive
          1979 XS 1100F
          Daily Rider
          DIY'r
          Minneapolis,mn

          Comment

          • #6
            Simple test to see if your wheels are aligned. Most everyone here has probably experienced it in their youth; remember when you would ride your bicycle no-handed? If your rear wheel was out of line a bit (easy to do on a chain drive) you would have to lean slightly to go straight with no hands.
            If you can let go of the grips (come on, you know you've done it) and go straight, without having to 'compensate' with your hips to stay straight, then you likely have simply a funky tire.
            I always used this "test" after every chain adjustment on every bike I've owned, muscle or gas powered, street or dirt.
            '78 E "Stormbringer"

            Purrs like a kitten, roars like a lion, runs like a gazelle (being chased by a cheetah).

            pics http://s1209.photobucket.com/albums/...tormbringer45/

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            • #7
              Tires do wear more on the left side due to the crown in the road. Unless you drive on the wrong side of the road! (Like the Brits.)

              Do you have the correct spacer? If the axle/brake/spacer assembly is correct then you need to address the swingarm. Good opportunity to inspect and regrease the bearings.

              Comment

              • #8
                Originally posted by ManagerMike View Post
                Simple test to see if your wheels are aligned. Most everyone here has probably experienced it in their youth; remember when you would ride your bicycle no-handed? If your rear wheel was out of line a bit (easy to do on a chain drive) you would have to lean slightly to go straight with no hands.
                If you can let go of the grips (come on, you know you've done it) and go straight, without having to 'compensate' with your hips to stay straight, then you likely have simply a funky tire.
                I always used this "test" after every chain adjustment on every bike I've owned, muscle or gas powered, street or dirt.
                Ok Mike, here is the salient question.
                If the front of the rear tire is to the left of the center line, (The space between the left swing arm shoulder and the frame is less than the right), which way do you have to slide your ass to make the bike go staight? CZ

                Comment

                • #9
                  Originally posted by CaptonZap View Post
                  Ok Mike, here is the salient question.
                  If the front of the rear tire is to the left of the center line, (The space between the left swing arm shoulder and the frame is less than the right), which way do you have to slide your ass to make the bike go staight? CZ
                  To the left.
                  '78 E "Stormbringer"

                  Purrs like a kitten, roars like a lion, runs like a gazelle (being chased by a cheetah).

                  pics http://s1209.photobucket.com/albums/...tormbringer45/

                  Comment

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