The Xs650 1981 (b) Usa Exhaust consists of eighteen pieces with the Muffler Assy (r.h) being the most expensive.
A sample from the products for the Exhaust include: Gasket 256146130000 (nas), Ybs67-10 Washer, Spring, Muffler Assy (r.h), Washer(526).
eighteen components are listed in the schematic for this Xs650 1981 (b) Usa Exhaust .