
39.0 mm piston with one piece of 1.5 mm rectangular piston rings with internal circlip (IS) suitable for Zündapp ZX25 / ZA25 / ZA40 / ZL25 / ZS25 / ZE40 / X25 / A25 mopeds, which have a Zündapp engine type 460 installed.
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.
| Manufacturer | Meteor |
| Nominal diameter | 39 mm |
| Ø outside piston (A) | 38.96 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 |
| Ø piston pin (B) | 12 mm |
| Tolerance group | CD |
| Weight piston kit | 79 g |
| Zündapp | ZA 25 / ZA 40 (type 250-460) ZL 25 / ZS 25 / ZX 25 / ZE 40 (type 278-460) |
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