Some items from this specific schematic: Gasket Kit,b (nas), O-ring,24.5x2, O-ring,14.8x2.2, O-ring,15x2.5.
This part-list fiche shows all the components that make up the Cb1000r 2009 (9) European Direct Sales Gasket Kit B .
On this parts fiche the O-ring,14.8x2.2 is the most specified component.