Motorcycle One Way Starter Clutch Bearing Bead Assy For XT600 XT600Z XT500Z 600Z 500Z 600 1VJ-15590-00-00 Starter clutch assembly provides power and fuel for the fuel supply system.It helps prevent damage to the reverse resistance of the motor.When the engine is running, the starter motor drives the overspeed clutch to rotate at speed, generating force to drive the crankshaft and activate the engine piston.Item Type: Starter Clutch Assy Material Type: Forged Steel Condition: Brand Color: As shown in picture Quantity: 1 Set OEM Code: 1VJ-15590-00-00 Fit For: XT600Z XT600 1986-1990 Fit For: XT500Z 1987-1989 Disclaimer: This is a compatible third-party part.Brand/model citations are solely for compatibility guidance.