40.0 mm replacement piston for your Puch X30 Velux moped / moped and 2- and 3-speed small engine bikes MS, MV, MV50, VSD DS, VZ and MC models with 40 mm cylinder.
The piston kit includes two rectangular piston rings with flank lock (FS).
The piston kit contains piston pins, piston clips and piston rings.
You will find the appropriate assembly tools, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
| Manufacturer | GPO |
| Ø outside piston (A) | 39.94 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3.4 mm |
| Total piston height (E) | 52.45 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 40 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Thick piston ring | 1.65 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 90 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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