This starter clutch assembly is designed for use with specific motorcycle models.It functions as a direct replacement part to restore engine starting performance.The unit is constructed from metal and serves as an essential component of the engine starting system. Compatible Models: 350 XC-F 2013 350 SX-F 2013 250 XC-F 2013 250 SX-F 2013 Reference Part Numbers: 77240026000 77840020100 Brand: Please verify your vehicle model and compare the reference part numbers before purchase to ensure compatibility.This item is intended to match the specifications of the equipment for proper fit and function.