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Most of my bikes are modified front ends. However, I use a standard rule of (bike raised and level) just tight enough to have no noticable shake (with bike firmly attached to a lift, grabbing the fork lowers and trying to push and pull forward and backward to check for slop in the neck) and still have easy swinging side to side after I've tightened the upper nut on the top of the tree. I do this when I repack the neck bearings every coupla years.
The book calls to use a plumb bob attached to the fender, taping the floor under the plumb bob, marking inches on it and measuring how far you have to turn the fork before it swings on it's own weight. Both to the right then to the left. The measurements vary by model.
I dont do it that way anymore, but it's a good idea if you've never done it.
Hope this helps!!
jim
I don't do any of the book methods.They seem like overkill to me, I just make sure they have fresh grease and tighten the nut till the steering binds a little. Then i back it off very slowly till the bind is gone.........this has always worked well for me. All this is done with the bike on a lift.
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