The thirty Gsf600s 1997 (v) (e02 E04 E17 E18 E22 E24 E25 E34) Speedometer (model S) component parts are all listed in this schematic.
The Bulb(12v3.4w,t10,bf175-01450a) is the lowest priced item on this Speedometer (model S) schematic.
The Speedometer (model S) assembly is constructed from several parts from which the Tachometer is the most expensive.