Parts such as the Water Pump/thermostat: Pipe, Connecting, Cap,a,con Pipe, Thermostat Assy., O-ring 17x3 are included in the Vfr750r Rc30 1988 (j) Finland Water Pump/thermostat parts fiche.
The Water Pump/thermostat assembly is constructed from several parts from which the Pipe A,water is the most expensive.
On this parts fiche the Bolt,flange,6x22 is the most specified component.