swinging

I have confirmed that the screws that are intended to hold the chain slider protection on the swinging are are m6 on the 08 models, however, some come with M5 screws? Does anyone know when the screws changed and whether the m6 is better than the m5 and cups that secure the protection strip?

:( after deciding to remove my rear swinging arm for maintenance. i started to find problems.first problem right hand side chain tensioning bolt has been over tightend and stript the thread in the swinging arm. second problem needle bearing seized & dry. to over come this and stop it...

For some reason my kick start lever will no longer stay "tucked in" against the motor. Every time I lean to the left while riding, the kick start lever swings out. Last fall I suffered a very painful contusion on the inside of my left leg, just above the knee, when the end of the kick start...