The Washer,plain, 6mm is the lowest priced item on this Step schematic.
thirty-one components are shown in this Cbr1000ra Fireblade 2009 (9) England / Abs Mkh Mme Rep Step exploded diagram.
Some items from this specific schematic: Plug,chain Case, Spg,l Step Return, Arm,r P.step, Bolt,socket.,8x20.