The component with the lowest price in the 35 GENERATOR schematic is the Bolt, Hexagon Socket.
This schematic depicts all components used in the Yzf-r3a 2015 B023 Europe 1pb02-300e1 35 Generator partslist.
Some items from this specific schematic: Bolt, Hexagon Socket, Rotor Assy, Washer, Plate(4gy), Bolt, Flange.