A sample from the products for the Speedometer (dr500rh) include: Cushion,meter, Cushion,meter Bracket, Bulb(12v3w,wb371,t7), Screw.
In this schematic the "Bulb(12v3w,wb371,t7)" is used most often.
This Speedometer (dr500rh) diagram displays the required parts for the Dr500r 1987 (h) Speedometer (dr500rh).