45.0 mm piston kit with two 1.5 mm rectangular piston rings with internal locking (IS), compatible with the 45.00 mm cylinder kit for your Puch moped as well as Tomos A3 or A35 mopeds.
You can find the detailed dimensions of the piston according to the technical drawing in the product details. You can also find information about common piston rings, their clearances, and retaining methods in the legend in the images.
The package 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 port on the exhaust side.
You’ll find the necessary installation tools, piston pin retainers, and, if needed, the corresponding cylinder in the accessories section.
| Nominal diameter | 45 mm |
| Ø outside piston (A) | 44.94 mm |
| Compression height (C) | 22 mm |
| Curvature (D) | 4 mm |
| Total piston height (E) | 49.55 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 91 g |
| Puch |
| Tomos |
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