Piston kit with one L-shaped piston ring with internal locking (IS) and one rectangular piston ring with flank locking (FS), compatible with the 38.40 mm cylinder kit from DR for all Piaggio moped models.
You can find the detailed piston dimensions, as shown in the technical drawing, in the product details. You can also refer to the legend in the images for information on common piston rings, their contact surfaces, and retaining types.
The piston kit includes a piston pin, piston clips, and piston rings.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
You’ll find the necessary installation tools, piston pin locks, and, if needed, the corresponding cylinder among the accessories.
A quality product from the Italian manufacturer DR Racing Parts.
| Manufacturer | DR Racing Parts |
| Ø outside piston (A) | 38.33 mm |
| Compression height (C) | 26.4 mm |
| Curvature (D) | 3.8 mm |
| Total piston height (E) | 52.3 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | L-ring, Rectangular ring |
| Nominal diameter | 38.4 mm |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Piston ring height | 2 mm, 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 79 g |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo |
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