
39.0 mm piston with a 1.5 mm rectangular piston ring with internal fuse (IS) suitable for Zündapp ZX25 / ZA25 / ZA40 / ZL25 / ZS25 / ZE40 / X25 / A25 mopeds, which have a Zündapp engine type 460 installed.
The detailed dimensioning 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 | Meteor |
| Nominal diameter | 39 mm |
| Ø outside piston (A) | 38.98 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 26 mm |
| Curvature (D) | 1.5 mm |
| Total piston height (E) | 51.5 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 |
| Tolerance group | D |
| Weight piston kit | 80 g |
| Zündapp | ZA 25 / ZA 40 (type 250-460) ZL 25 / ZS 25 / ZX 25 / ZE 40 (type 278-460) |
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