Parts such as the Fuel Cock: Bolt(6x20), Gasket(6.4x11.5x0.8) (nas), Gasket,joint (nas), Hose(7x11x600) are included in the Dr650se 1996 (t) (e02 E04 E17 E18 E22 E24 E34 E37) P37 Fuel Cock parts fiche.
Of all the components used in this assembly the Cock Assy,fuel is the most expensive.
With two applications this Bolt(6x20) is the most specified part.