48 mm replacement piston with a 1.5 mm rectangular piston ring with internal fuse (IS) for mopeds / mopeds with a 48 mm Athena cylinder kit suitable for Sachs 504 / 505 with and without reed valve.
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.
| Nominal diameter | 48 mm |
| Manufacturer | Athena |
| Ø outside piston (A) | 47.96 mm |
| Compression height (C) | 30.12 mm |
| Curvature (D) | 1.94 mm |
| Total piston height (E) | 59 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Tolerance group | B |
| Weight piston kit | 123 g |
| Sachs | 504 (without pedal shaft) 505 (with pedal shaft) - 1A (AT) , 2A (HG) |
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