Parts such as the Headlight: Bulb, Grill, Air Intake 1, Bulb (12v-55w), Rivet are included in the Yzf-r6 2005 5slm Spain 1d5sl-352s1 Headlight parts fiche.
The component with the lowest price in the HEADLIGHT schematic is the Rivet.
This HEADLIGHT assembly utilises four Screw, Round Tapping(s) - the highest specified component.