twenty-two components are shown in this Xl250r 1985 (f) Usa Cylinder Head Cover exploded diagram.
Some items from this specific schematic: Bolt,flange,6x40, Bolt,flange,6x25, Bolt,flange,6x40, Lifter Valve.
This CYLINDER HEAD COVER assembly utilises six Bolt,flg,sh. 6x32(s) - the highest specified component.