Hi this is my personal motorcycle and I'm doing the replacement of the clutch disk because the stock disk wasen't engineered properly the spline section of the disk doesn't engage on the input shaft of the transmission completely and then the disk and shat spline will wear prematurely so I sent a new clutch disk to bruno sax in Ontario it was the first disk of this brand to modify but he did a lot of stock disk I want to thank affordable BMW repair(Chris Harris) in the USA.
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