Has anyone had and trouble with the '02 WR chain slider bolts? On top of the swingarm, where the last bolt goes through chain slider (rub plate), the hole drilled in the swingarm stripped out! I haven't over-tightened before,and the other ones are fine. This was clearly a defect in workmanship! Any ideas on fixing it? I would like to stick with a 4 mm bolt, but I don't know if i can because I am going to have to tap the swingarm I think.