How do you suppose the ball bearing in the center of the starter clutch plate gets chewed up? I've got one that is ground perfectly flat to the surface and I suspect there's only 282 miles on this machine. Operator error? Someone holding the clutch lever in while the engine is running? The long leaf spring is hammered too, almost all the way through its back side.
Fortunately I was able to find a new plate and flat spring set.