39 mm replacement piston / piston kit with two pieces of 2 mm rectangular piston rings with flank lock (FS) for blown Sachs 50/3, 50/4 reproduction cylinders of various 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 stems and locking types on the legend in the images.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin retainers and, if necessary, the corresponding cylinder in the accessories section.
Original Sachs spare part number: 0290 058 025
| Ø outside piston (A) | 38.96 mm |
| Compression height (C) | 27.75 mm |
| Curvature (D) | 3.35 mm |
| Total piston height (E) | 53.1 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 39 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Ø piston pin (B) | 12 mm |
| Piston weight | 83 g |
| Sachs | 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
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Collection only possible with online purchase and appointment.
