Benzhou City Star (YY50QT)
Benzhou Formula 2000 (YY50QT-6A)
Benzhou Formula One (YY50QT-6)
Benzhou Retro Star (YY50QT-15)
Benzhou YY50QT-14
Benzhou YY50QT-26
Benzhou YY50QT-27 (2-Takt)
