[QUOTE=Lee H. Mann;315776]That is caused by a twisting of the motorcycle frame. This seems to be a weak link in the IRS system. I would check the upper frame bracket and connections. Looks like a beef-up of the swingarm is in order.[/QUOTE]
The shop now has the body off and is able to get a better look. The service manager thinks there was a bad weld. He said the weld didn't get hot enough to penetrate the metal. They're sending the unit back to Champion for their evaluation.