Some items from this specific schematic: Washer,sealing,6., O-ring 32.95x2.62, O Ring,17.3x2.4, Gasket,pulser Cov (nas).
In this schematic the "O Ring,17.3x2.4" is used most often.
This Gasket Kit B diagram displays the required parts for the Cb600f Hornet 1999 (x) European Direct Sales Kph 50p Gasket Kit B.