On this parts fiche the Screw 5x10 is the most specified component.
Parts such as the Cowling (model X): Nut, Screw(5x12), Cover,cowling Fr Lwr, Screw 5x10 are included in the Xf650 1999 (x) (e02 E04 E17 E18 E22 E24 E25 E34) Cowling (model X) parts fiche.
Of all the components that make up this Cowling (model X) the Screw 5x10 has the lowest price.