| High engine subfamily | Cylindre/Piston |
| Cooling | Air |
| Cylinder material | Aluminium nikasil |
| Number of admission transfers | 3 |
| Exhaust type | Ovale |
| Exhaust Mount Type | A bride |
| Piston material | Aluminium moulé |
| Piston diameter | 37.95 |
| Piston pin diameter in mm | 12 |
| Piston cap | Domed |
| Number of piston rings | 2 |
| Piston ring material | Fonte |
| Piston ring section | Rectangulaire |
| Segment lug | Recouvert |
| Gaskets supplied | Oui |
| Spare part: cylinder head gaskets | 518967 |
| Spare part: piston | 519007 |
| Spare part: piston ring | 519059 |
Airsal cylinder-piston kit with short fins, original type adaptable Puch X20/X30
Sold with:
-segment game,
- piston pin,
-circlips,
-joints,
-studs