It doesn't take much. When I first got my Kilo WT, it was off by about 3mm, and was popping and catching like heck. I got it back to within 1mm, and it completely smoothed out. Having said that, some cogs are worse than others.
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What, Me Worry? - Alfred E. Neuman
I'd like to think i have as much money as brains.
I see the light at the end of the tunnel, but the tunnel keeps getting longer - me