On this parts fiche the O Ring,74x1.9 is the most specified component.
Parts such as the Cylinder I: Nut,flange,6mm, Bolt,flange,6x25, Cylinder, O Ring,74x1.9 are included in the Cb700sc Nighthawk S 1986 (g) Usa Cylinder I parts fiche.
Of all the components that make up this Cylinder I the Nut,flange,6mm has the lowest price.