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For: Puch

24931

GPO Piston 38 mm No. 2 | Puch

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EUR 38.50

Incl. 17% VAT.

38 mm replacement piston with two rectangular piston rings with flank lock (FS) suitable for original windage-coated aluminum cylinders with nickel-silicon carbide coating (also known under the brand name Nikasil®) from Puch Maxi S / N, as well as Puch X30 Sport mopeds.
Also suitable for blown cast iron cylinders of Puch X30 NG-2A / NG-2AH, as well as Puch X30 Velux 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.

Details

ManufacturerGPO
Nominal diameter38 mm
Ø outside piston (A)37.96 mm
Ø piston pin (B)12 mm
Compression height (C)22.7 mm
Curvature (D)3.3 mm
Total piston height (E)55 mm
Number of piston rings (F)2 pcs
Piston ring moldRectangular ring
Piston ring impactFlank safety device (FS)
Tolerance group2
Piston weight79 g

Suitable for the following models

Puch

E50

ZA50 (air-cooled)

ZA50 (fan-cooled)

Z50 (X30 Sport)

Z50 (X30 Velux)

2-speed MS, MV, MV50

3-speed VSD, DS, VZ, MC

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