This handle bar mounted switch is often referred to as "instrument switch", "light switch" "starter switch" and many other names. Most commonly (but not exclusively) used for 400cc ATVs from companies like Odes and Liangzi.
110 cc Piston Ring Set
2WD / 4WD Switch - 400cc, 500cc, 700cc, 800cc Hisun
4 stroke Oil Dipsticks
Actuation Cable - GY6 Carburetor Cable, Electric Start
Air box complete Katerra KMV250, Baja WD250-U