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Thread: Front wheel alignment

  1. #1
    Baby Twin
    Join Date
    Feb 2009
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    Front wheel alignment

    Ok this is driving me insane!! . Had to whip the forks off my Factory for new seals a few weeks back Since they have been back in, the handling is all to pot, feeling really vague and about to wash out and the left (nearside) caliper/disc is running hotter than the right. Also the clearance from the tyre to the inner side of the fork leg is about 2mm less than that on the right side.

    Right, I have worked on stacks of bikes and had the front wheel off this one a number of times before for tyres. Fork settings are exactly as they were before they were removed, wheel spacer and axle are where they should be. I have tried the centering method ie slackening off both pairs of pinch bolts and applying the brakes, followed the bike manual method which advises nipping up the left pinch bolts before torquing up the axle nut, the workshop manual method which says nip up the right side before torquing.

    The wheel runs reasonably freely until the axle nut is tightened and it is then that the left caliper starts to drag. In desperation I have stripped and rebuilt the caliper and its made s-d all difference. Surely, the axle nut has to be tightened to load the bearings and prevent lateral wheel movement rather than done in isolation after the pinch bolts are done up.

    Any thoughts or similar problems experienced would be most welcome

  2. #2
    GP Champ Tifa's Avatar
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    Jul 2008
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    Wheel travelling in the correct direction?
    Same number of rings showing at the top of both forks?
    You mention that you've loosened the pinch bolts...and re-settled the bike on the suspension.
    Have you done the same with the yokes? i.e. loosen one side, re-settle it on the suspension, nip them up...then do the other side.

  3. #3
    Baby Twin
    Join Date
    Feb 2009
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    Front wheel alighnment

    Quote Originally Posted by Tifa View Post
    Wheel travelling in the correct direction?
    Same number of rings showing at the top of both forks?
    You mention that you've loosened the pinch bolts...and re-settled the bike on the suspension.
    Have you done the same with the yokes? i.e. loosen one side, re-settle it on the suspension, nip them up...then do the other side.

    Thanks Tifa, Wheel is correct and same number of fork rings showing. I backed off both yokes at the same time, would a side at a time be any different?

  4. #4
    Ash
    Ash is offline
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    The only thing that's altered is whatever happened inside the forks when they were worked on, maybe a check there to see if anything is amiss there.

  5. #5
    Baby Twin Cruddles's Avatar
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    Jul 2012
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    Southampton
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    Just been through the same process myself. Have a look at the method described here:- quadrunner500's Fork Alignment Procedure Looking down through the 2 staight lines quickly tells you if you have any twist in the forks.

    As for the process of torqing up the front wheel, nip up the pinch bolts on the left side (opposite side of axle nut), leave the right side loose, torque up the axle nut, then tighten the right side pinch bolts (this keeps the bearings loaded). Now release the left side pinch bolts, pump the forks a few time which allows the left side fork leg to find it's natural sweet position and finally tighten the left side pinch bolts.

    Hope that this helps.

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