38.0 mm replacement piston with two 2 mm rectangular piston rings with flank lock (FS) for the blown original Puch cylinder suitable for your X30 Velux and X30 Automat (ZA50) moped / moped.
The detailed dimensions of the piston according to the technical drawing can be found in the details. In addition, you can find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
This piston is equipped with a short piston skirt.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
| Nominal diameter | 38 mm |
| Ø outside piston (A) | 37.96 mm |
| Compression height (C) | 22.3 mm |
| Curvature (D) | 3.6 mm |
| Total piston height (E) | 50 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Ø piston pin (B) | 10 mm |
| Piston weight | 73 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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Collection only possible with online purchase and appointment.
