Yamaha - Clutch, over run - 6CB-81832-00-00Yamaha Overrun Clutch Starter System Component 6CB 81832 00 00 Overview The Yamaha Overrun Clutch 6CB 81832 00 00 is a critical component within the starter system that allows the engine to start smoothly while preventing damage once the engine is running. It engages the starter gear during ignition and then disengages automatically to prevent the starter from being driven by the running engine. If this clutch fails, you may hear grinding, slipping,