Starter Clutch Sprag One Way Bearing compatible with XT400 (1992), XT500 (1993–1996, 2000, 2002), TT600 (1994, 1996–1998, 2004), XT600 (1993–2000, 2002), SZR660 (1995, 1997), and XT660 (1992–1994, 1996).This part is designed to replace the starter clutch sprag one way bearing and restore factory function.It matches the dimensions and operational specifications of the OEM part numbers 3TB-15594-00 and 3TB-15590-01.Please verify compatibility with your specific model and year before purchase.