Of all the components used in this assembly the Camshaft-valve,intake is the most expensive.
In this schematic the "Bolt,sprocket Fitting" is used most often.
Parts such as the Camshaft(s)/tensioner: Guide-chain,upp, Bolt,sprocket Fitting, Chain,camshaft,79rh20, Ring-o are included in the Ex400a3 Gpz400s 1989 Sweden Camshaft(s)/tensioner parts fiche.