| High engine subfamily | Cylindre/Piston |
| Cooling | Air |
| Cylinder material | Aluminium chemisé fonte |
| Exhaust Mount Type | A bride |
| Piston material | Aluminium moulé |
| Piston diameter | 52.37 |
| Piston pin diameter in mm | 15 |
| Piston cap | Plate |
| Number of piston rings | 5 |
| Gaskets supplied | Oui |
125 SPEEDFIGHT 3
125 CITYSTAR