Starter clutch sprag one way bearing designed for use with specified motorcycle models.This component is engineered to engage the starter motor with the engine's crankshaft, allowing for smooth starting.The sprag clutch mechanism permits rotation in one direction while preventing reverse , performance during engine startup.Constructed to match specifications for proper fit and function.Suitable for replacement or repair applications. Compatibility Clarification: This part is not made by the brand.Mentioned models are for reference only.