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    Front wheel bounce

    Hi everyone,

    I installed a new front tire and balanced the wheel, yet I'm getting a front end bounce around 40mph. I've read tension in the forks can cause this, and I read a procedure somewhere to remedy this issue but I cannot find where I read it. Something to do with loosening the fork and axle bolts, then retightening in a certain order. Can anyone clarify the order for me? Any additional tips?

    Thanks!
    - 1983 GS850L ~ 30,000 miles and going up - Finally ready for a proper road trip!
    - 1977 GS750B - Sold but not forgotten

    #2
    Bike on centre stand.
    Leave the top fork clamp alone.
    Loosen the bolts on the lower fork clamp.
    Loosen the bolts holding the fender / brace
    Loosen the axle and its clamps.
    Bounce the front of the bike down onto the tyre a few times.
    Tighten everything back up, working upwards.
    ---- Dave
    79 GS850N - Might be a trike soon.
    80 GS850T Single HIF38 S.U. SH775, Tow bar, Pantera II. Gnarly workhorse & daily driver.
    79 XS650SE - Pragmatic Ratter - goes better than a manky old twin should.
    92 XJ900F - Fairly Stock, for now.

    Only a dog knows why a motorcyclist sticks his head out of a car window

    Comment


      #3
      Thank you, Grimly!
      - 1983 GS850L ~ 30,000 miles and going up - Finally ready for a proper road trip!
      - 1977 GS750B - Sold but not forgotten

      Comment


        #4
        I installed a new front tire and balanced the wheel, yet I'm getting a front end bounce around 40mph. I've read tension in the forks can cause this,
        ...and if that ^ doesn't fix it, it's possible your tire bead is not seated. Look closely and you will see a fine line on the tire near the rim. Any dips indicate a bad seating. It can be noticed spinning the tire with a rod or pencil or chalk piece clamped close to the tire as you spin it.

        Comment


          #5
          Originally posted by Grimly View Post
          Bike on centre stand.
          Leave the top fork clamp alone.
          Loosen the bolts on the lower fork clamp.
          Loosen the bolts holding the fender / brace
          Loosen the axle and its clamps.
          Bounce the front of the bike down onto the tyre a few times.
          Tighten everything back up, working upwards.
          I think this did the job! I loosened everything, bounced the front end and tightened back up, going from bottom to top. Then I took the wheel weights off. Rode down a smooth road and she's nice a smooth.
          Originally posted by Gorminrider View Post
          ...and if that ^ doesn't fix it, it's possible your tire bead is not seated. Look closely and you will see a fine line on the tire near the rim. Any dips indicate a bad seating. It can be noticed spinning the tire with a rod or pencil or chalk piece clamped close to the tire as you spin it.
          Yes, I double checked this first because that was a concern. I even broke the bead, put in some tire lube and reseated the bead to ensure it was centered. Seems to be fixed now.
          - 1983 GS850L ~ 30,000 miles and going up - Finally ready for a proper road trip!
          - 1977 GS750B - Sold but not forgotten

          Comment

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