Subject: RE: Front fork flexing / twisting
Author: David Whalen
Date: Apr 16, 2002, 12:52 PM
Post ID: 1710075072
This assessment and advice sounds correct to me. I had
bad neck bearings. One day, I was at 40 mph and the
front end started a kind of "jack hammer" vibration
effect. I knew it was the neck bearings. Sure enough,
upon disassembly, the bearings were bone dry and the
top one was totally shot. No twisting and flexing.
Just bad vibration.
dw
--- Rich Zink <rzi-@co.alameda.ca.us> wrote:
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On number 1) also don't forget the axle and pinch bolt. Rich ---------- From: Zink, Rich, ITD Sent: Tuesday, April 16, 2002 7:57 AM To: Loopfram-@topica.com Subject: RE: Front fork flexing / twisting I tend to think the steering head bearings have nothing to do with this. What you need to do and this may not rid you of all your 'twisting', a fork brace is designed to do that, is the following: 1) loosen all pinch bolts, fork caps, fender bolts on your front end with the exception of the steering head (would not hurt to check this later on its own) 2) bounce the front end a couple of times 3) align the wheel and handlebars 4) bounce the front end again 5) check alignment again 6) systematically tighten all of the loosened nuts and bolts. That is, tighten them all at the same rate, as in not tightening one completely and moving to the next one. 7) See if this helps 8) You may find that one or more of your fender bolts were loose. Where the fender bolts to the forks acts as a fork brace of sorts. You probably will still have a small amount of flex left. Nature of the beast. 9) Now while youre at it check your steering head bearings. 10) Jack the front end up a little (get the front tire off the ground) and tighten the locknut down until the forks just begin to not fall to the side easily on their own when turned from side to side. Hope this helps a little Rich |
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