The Meters ('81 -'82 Kz750-e2/e3) is made up of components including this Speedometer,km/h which is the most expensive.
On this parts fiche the Bulb 12v 3w is the most specified component.
Some items from this specific schematic: Tachometer Socket Assembly, Cover,meter Bracket, Tachometer,x1000rpm, Damper Rubber,meter.