38.40 mm oversize piston with an L-shaped piston ring with internal circlip (IS) and a rectangular piston ring with flank circlip (FS) for all Piaggio mopeds / mopeds.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
| Manufacturer | Olympia |
| Nominal diameter | 38.4 mm |
| Ø outside piston (A) | 38.34 mm |
| Compression height (C) | 26.4 mm |
| Curvature (D) | 3.6 mm |
| Total piston height (E) | 51.9 mm |
| Number of piston rings (F) | 2 pcs |
| Ø piston pin (B) | 10 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Weight piston kit | 76 g |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo |
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