| Modèle | Vitesse maximale en avant |
|---|---|
| NK800 | 55 km/h - 34.2 mile / h |
| NK550VR | 70 km/h - 43.5 mile / h |
| NK500E-V | 80 km/h - 49.7 mile / h |
| NK400E-III | 75 km/h - 46.6 mile / h |
| NK300E-V | 65 km/h - 40.4 mile / h |
| NK250E-V | 65 km/h - 40.4 mile / h |
| NK200E-V | 65 km/h - 40.4 mile / h |
| NK1600 | 77 km/h - 47.8 mile / h |
| NK1200 | 65 km/h - 40.4 mile / h |
| CR250 | 49 km/h - 30.4 mile / h |
| CR100 | 49 km/h - 30.4 mile / h |