The component with the lowest price in the OIL CLEANER schematic is the Bolt, Hexagon Socket Head.
This schematic depicts all components used in the Yzf-r1 2019 Bx4d Europe 1ubx4-300e1 Oil Cleaner partslist.
Some items from this specific schematic: Bolt,hex. Socket Button, Bolt, Hexagon Socket Head, Plug, Straight Screw, Bolt, Hexagon Socket Head.