40mm piston kit with two 2mm rectangular piston rings with flank retention (FS) for your Puch or Tomos moped.
You’ll find the detailed dimensions of the piston, as shown in the technical drawing, in the product details. You can also find information about common piston rings, their clearances, and retaining types in the legend accompanying the images.
The package includes the piston, piston pin, piston clips, and piston rings.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust port on the exhaust side.
You can find additional piston kits and the necessary installation tools in the accessories section.
A quality product from the Italian manufacturer Meteor.
| Nominal diameter | 40 mm |
| Manufacturer | Meteor |
| Ø outside piston (A) | 39.94 mm |
| Compression height (C) | 22.3 mm |
| Curvature (D) | 3.5 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) | 12 mm |
| Weight piston kit | 90 g |
| Puch |
| Tomos |
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