| High engine subfamily | Cylindre/Piston |
| OEM reference | 831116 |
| Cooling | Air |
| Cylinder material | Fonte |
| Number of admission transfers | 5 |
| Exhaust type | Ovale |
| Exhaust Mount Type | A bride |
| Piston material | Aluminium moulé |
| Piston diameter | 39.98 |
| Piston pin diameter in mm | 12 |
| Piston cap | Domed |
| Number of piston rings | 2 |
| Piston ring material | Fonte |
| Piston ring section | Trapézoïdal |
| Segment lug | Décalé supérieur |
| Gaskets supplied | Non |
| Spare part: piston | 502727 |
delivered without gaskets.