With a quantity of two pieces, the Bolt-flanged,8x16 is the most used part in the Brake Pedal/Throttle Lever diagram.
Some items from this specific schematic: Ring-snap, Bolt-flanged,6x12, Shaft-brake, Nut-hex-small,8mm.
The lowest price component in this Brake Pedal/throttle Lever parts-list fiche is the Bolt-flanged,8x16.