Motorcycle Starter Clutch Assembly compatible with Hisun Motors Corp HS800 Four Seat, HS800 Two Seat, USA Strike 800, Tactic 800, Strike 1000, Strike 1000 Crew, Tactic 1000 2-UP, Tactic 1000 Two Seat, and USA Tactic 1000.Also fits Bennche Cowboy 1000, Bennche Spire 800, Bennche Spire 1000, and Bennche Spire 1000X.Compatible with Massimo MSA800, MSU800, Militia 1000, Militia 1000 S, and Militia 1000 XS.Compatible with QLINK FrontRunner 800 EFI.Fits OEM part numbers 21400-010-0000, 21400-010-1000, and 21400-F68-0000.This clutch assembly restores starter function by engaging the starter motor with the engine crankshaft during startup and disengaging once the engine reaches operating speed.Constructed from aluminum.Includes all components shown in product images.