38.0 mm replacement piston with two 2 mm rectangular piston rings with flank retention (FS), compatible with Puch Maxi S / N, Puch X30 Sport NS / NL, and Puch X30 Velux mopeds.
You can find the detailed dimensions of the piston, as shown in the technical drawing, in the product details. You can also find information about the standard piston rings, their clearances, and retaining methods in the legend accompanying the images.
The piston kit includes piston pins, piston clips, and piston rings.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
You’ll find the necessary installation tools, piston pin retainers, and, if needed, the corresponding cylinder in the accessories section.
A quality product from the Italian manufacturer Meteor.
| Manufacturer | Meteor |
| Nominal diameter | 38 mm |
| Ø outside piston (A) | 37.95 mm |
| Ø piston pin (B) | 10 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3.55 mm |
| Total piston height (E) | 50.05 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 |
| Weight piston kit | 75 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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