[charlie264]

Originally Posted by gefr

There were several early bikes with cracked frames at exactly this spot. A crack developed that propagate to the centerstand mounting hole.

http://www.advrider.com/forums/showthread.php?t=82334

http://www.advrider.com/forums/showthread.php?t=70372

The replacement frame had the corner made with bigger radius.
Cheers.

I don’t think adding a 6mm solid steel plate will weaken or exacerbate anything; It will just make that area even stronger.