45 mm replacement piston with a 1.5 mm rectangular piston ring featuring an internal lock (IS) for the 45 mm cylinder kits for various Puch 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 standard piston rings, their clearances, and retaining types in the legend accompanying the images.
Tolerance type: B
The piston kit includes a 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 on the exhaust side.
You’ll find the appropriate installation tools, piston pin retainers, and, if necessary, the corresponding cylinder among the accessories.
Product from the Italian manufacturer Parmakit.
| Manufacturer | Parmakit |
| Ø outside piston (A) | 44.94 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 22.38 mm |
| Curvature (D) | 4.5 mm |
| Total piston height (E) | 53.9 mm |
| Number of piston rings (F) | 1 pcs |
| Nominal diameter | 45 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Tolerance group | B |
| Weight piston kit | 98 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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