With two applications this O-ring 7x1.7 is the most specified part.
Parts such as the Gasket Kit B: Gasket,l.cover (mca), Gasket,r.cover (mca), Oring 183, Gasket,l Rr Cover (mca) are included in the Xr500r 1981 (b) Usa Gasket Kit B parts fiche.
The lowest price component in this Gasket Kit B parts-list fiche is the O-ring 18x3.
