Some items from this specific schematic: Washer,sealing,6., O-ring 21.2x2.4, O-ring,8.4x2.4, O Ring,21.5m/m.
The most reasonably priced component used on the Vfr750f Interceptor 1989 (k) France / Kph Yb Gasket Kit B is the Washer,plug,drain 12.
This GASKET KIT B assembly utilises four O-ring,9.6x2.6(s) - the highest specified component.