Motorcycle One Way Starter Clutch Bearing For DRZ400E DRZ400S DRZ400SM LTZ400 LTR450 400 AN400 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 the engine to start smoothly by engaging the starter mechanism in while disengaging in the opposite.The bearing is built to match the dimensions and function requirements of the compatible vehicles.Installation is straightforward for users familiar with motorcycle maintenance.proper fitment by verifying model specifications before use.This is an aftermarket accessory.Brand names and model numbers are referenced strictly for compatibility information.