Parts such as the Magneto: Screw 4x16, Key, Screw 5x12, Starter Assy are included in the Lt80 Quad Sport 1999 (x) Usa (e03) Quadsport Quad-sport Magneto parts fiche.
Check out any of the twelve Magneto components enlisted.
On this parts fiche the Screw 5x12 is the most specified component.
