Very rare indeed, yes will work on all scooters that require this stator set up.
STATOR ASSY 18 COIL 93mm DIAMETER 150T-12 QJ MANUFACTURED UNITS SUCH AS VENTO, QJ, YAMATI, STRADA, ANDRETTI, SOME TNG CMSI MODELS AND OTHER PRIVATE LABEL KEEWAY AND OTHERS MADE BY QJ CHINAQJ-34310J05F000