38.4 mm ¨bermass piston with two 1.5 mm rectangular piston rings with flank lock (FS) for Piaggio mopeds / mopeds with the Athena cylinder kits for Piaggio.
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 images.
The tuning piston is used for bored and honed cylinders.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Quality product from the Italian manufacturer Athena.
Details
| Nominal diameter | 38.4 mm |
| Manufacturer | Athena |
| Ø outside piston (A) | 38.355 mm |
| Compression height (C) | 26.3 mm |
| Curvature (D) | 3.9 mm |
| Total piston height (E) | 51.85 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 10 mm |
| Piston weight | 80 g |
Suitable for the following models
| Piaggio | Ciao - Ciao, Ciao, Ciao, Ciao Si Bravo/Superbravo Boxer Grillo |
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Athena 38.4 mm cylinder kit without head 10 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
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Collection only possible with online purchase and appointment.
