On this parts fiche the Washer Spline 28x is the most specified component.
thirty-eight components are listed in the schematic for this Cb600fa3 Hornet 2009 (9) France / Abs Cmf St Transmission .
Some items from this specific schematic: Circlip,28mm, Cir Clip,25mm, Washer Spline 28x, Shaft Comp,counte.