Replacement piston with a 2 mm L-shaped piston ring with internal circlip (IS) and a 1.5 mm rectangular piston ring with flank circlip (FS), suitable for reproduction 43.5 mm Metrakit cylinders on various Puch mopeds / mopeds.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their positions and locking types on the legend in the pictures.
The piston kit contains piston pins, piston clips and piston rings.
Corresponding assembly tools, piston rings, piston pin retainers etc. can be found in the accessories section.
Quality product from the Spanish cult manufacturer Metrakit.
| Manufacturer | Metracite |
| Ø outside piston (A) | 43.45 mm |
| Compression height (C) | 22.9 mm |
| Curvature (D) | 3.1 mm |
| Total piston height (E) | 49.5 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 43.5 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 2 mm, 1.5 mm |
| Piston weight | 85 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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Collection only possible with online purchase and appointment.
