Motorcycle One Way Starter Clutch Bearing For Tenere XTZ660 XT660Z XTZ 660 XT660 Z 1991-1999 This one way starter clutch bearing is designed for use with specified motorcycle models.It functions as a critical component in the starter system, allowing rotational in while preventing it in the reverse.The bearing fits motorcycles within the model range and year specifications listed.It supports engagement between the starter motor and engine during ignition.Installation requires standard mechanical tools and knowledge of motorcycle engine components.The part replaces the unit and integrates into the existing starter mechanism without modification. This replacement part is independently produced.All brand references are for compatibility demonstration only.