1PC Motorcycle ATV Parts for Tenere XTZ660 XT660 Z 91-99 One Way Starter Clutch Bearing Overrunning Sprag Beads This one way starter clutch bearing is designed for use with Tenere XTZ660 and XT660 Z models from 1991 to 1999.The overrunning sprag beads mechanism allows the starter motor to engage in while disengaging in the opposite, smooth during engine start cycles.Suitable as a replacement part for the starter clutch assembly.Compatible with specified motorcycle models for performance in standard operating conditions.