39.0 mm ¨bermass piston with two 1.65 mm rectangular piston rings with flank lock (FS) suitable for Puch Maxi S / N, Puch X30 Sport NS / NL, as well as Puch X30 Velux 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 pictures.
The piston is used for bored and honed cylinders.
The piston kit contains piston pins, piston clips and piston rings.
Note: Please observe the installation direction when assembling. The piston is inserted with the arrow pointing towards the outlet on the exhaust side.
| Nominal diameter | 39 mm |
| Manufacturer | Meteor |
| Ø outside piston (A) | 38.96 mm |
| Compression height (C) | 22.2 mm |
| Curvature (D) | 3.8 mm |
| Total piston height (E) | 52.5 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.65 mm |
| Weight piston kit | 88 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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