Parts such as the Valve: Shim,t=2.05, Shim,t=2.55, Retainer-valve Spring, Tappet are included in the Zx750e1 1984 Europe Fr Fu Gr It Nr Sd St Valve parts fiche.
The thirty-five Zx750e1 1984 Europe Fr Fu Gr It Nr Sd St Valve component parts are all listed in this schematic.
Of all the components used in this assembly the Valve-exhaust is the most expensive.