| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2008 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2009 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2010 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2011 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2012 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2013 |
| Benzhou | YY50QT-14 50ccm 4T Topdrive 3 PS, 2,2 kw | 50 | 2014 |
