45.0 mm piston with a 1.5 mm rectangular piston ring with internal circlip (IS) for various Puch 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 common piston rings, their stems and locking types on the legend in the pictures.
| Manufacturer | Athena |
| Ø outside piston (A) | 44.96 mm |
| Compression height (C) | 22.4 mm |
| Curvature (D) | 3.23 mm |
| Total piston height (E) | 52.67 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Nominal diameter | 45 mm |
| Piston ring impact | Internal fuse (IS) |
| Ø piston pin (B) | 12 mm |
| Piston ring height | 1.5 mm |
| Tolerance group | C |
| Weight piston kit | 97 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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