The most reasonably priced component used on the Xl250s 1980 (a) Canada F-12 Rear Brake Panel(xl250s-sz-sa) is the Nut,flange,6mm.
In this schematic the "Shoe Comp.,brake (mca)" is used most often.
A sample from the products for the F-12 Rear Brake Panel(xl250s-sz-sa) include: Indi.,rr. Brake, Axle Rr Wheel, Cam,rr.brake, Spring,brake.shoe.
