Of all the components that make up this Steering Stem the Screw,pan,6x12 has the lowest price.
Parts such as the Steering Stem: R/brg Tap N/com, Bolt,flange,8x40, Dust Seal.upper S, Screw,pan,6x12 are included in the Xl600v Transalp 1991 (m) Austria Steering Stem parts fiche.
In this schematic the "Bolt,flange,8x40" is used most often.