A sample from the products for the Swingarm include: Bolt-upset-ws, Bearing-needle,ta2030, Nut,14m/m, Screw-csr-rd,6x12.
This part-list fiche shows all the components that make up the Ksf250-a1 Mojave250 1987 Usa Canada Swingarm .
In this schematic the "Screw-csr-rd,6x12" is used most often.