On this parts fiche the Bulb (t-10 12v 3.4w) is the most specified component.
A sample from the products for the Meter include: Water Temperature Assy, Knob, Trip Meter, Socket Cord Assy, Nut(6ta).
The most reasonably priced component used on the Tzr125 1995 4jb3 Europe 254jb-300e1 Meter is the Screw, With Washer(36y).