Parts such as the Magneto: Bolt(14x43), Starter Assy, Key, Clamp,magneto Lead are included in the Xf650u 1999 (x) (e22) Magneto parts fiche.
Of all the components used in this assembly the Rotor Assy is the most expensive.
The most reasonably priced component used on the Xf650u 1999 (x) (e22) Magneto is the Screw.
