The fourteen Ksf250-a5 Mojave250 1991 Usa Canada Muffler component parts are all listed in this schematic.
Some items from this specific schematic: Body-comp-muffler, Pipe-exhaust, Collar, Clamp,42mm,black.
With a quantity of eight pieces, the Gasket,6.2x11.5x1.5 (nas) is the most used part in the MUFFLER diagram.