Frame &swingarm cracked after polishing - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 2 (permalink) Old 10-03-2002, 01:24 PM Thread Starter
Join Date: Sep 2002
Posts: 6
Frame &swingarm cracked after polishing

Has anybody heard of this problem? I was going to polish during the winter.I own 2000 R6 and was told over the season the had seen 2 stress cracked frames and 5 stress cracked swing arms on R6 bikes (all polished).Rep from yamaha said it was caused by the polishing,also not the first cases he has seen or heard of.what do you think?
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post #2 of 2 (permalink) Old 10-03-2002, 03:58 PM
Join Date: Oct 2002
Posts: 11
Yes, frames can and do crack when polished. If to much of the weld is cleaned off in blending it may result in weakening the weld.

It is best to just lightly smooth over the welds and not try to take much material off of them.
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