Motorcycle Starter Clutch Assy Gear compatible with TTR125E, TT-R125, TTR125, and TTR125R models from 2003 to 2007.This assembly is designed as a direct replacement for the starter clutch gear and installs using the existing mounting configuration.Part numbers included: 5HH-E5517-00, 4TU-15590-00-00, and 5AP-15517-02-00.Constructed from metal for and functional equivalence to the.Includes all components shown in the product image for complete assembly replacement. Compatibility Note: This is a third-party replacement component.Brand and model references are included solely to indicate fitment.