| NRG 50 LC Extr. DD (C18) | 4 KM / 3 kW | od 1999.01 do 2002.12 | mieszanka | 49 ccm | 1 cyl. | |
| NRG 50 AC Extr. DT (C18) | 4 KM / 3 kW | od 1999.01 do 2002.12 | mieszanka | 49 ccm | 1 cyl. | |
| NRG 50 DD (C32) | 4 KM / 3 kW | od 2005.06 | mieszanka | 49 ccm | 1 cyl. | |
| NRG 50 DT (C32) | 4 KM / 3 kW | od 2004.09 | mieszanka | 49 ccm | 1 cyl. |