The Washer Seal, 6mm is the lowest priced item on this Wire Harness schematic.
This schematic depicts all components used in the Cbr900rr Fireblade 1998 (w) Northern Europe / Kph Wire Harness partslist.
Some items from this specific schematic: Clip,wire Harness, Cord,high/t 2, Unit Comp,spark, Susp,winker Relay.