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.
Manufacturer | GPO |
Ø outside piston (A) | 37.96 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 |
Nominal diameter | 38 mm |
Piston ring mold | Rectangular ring |
Ø piston pin (B) | 12 mm |
Piston ring impact | Flank safety device (FS) |
Tolerance group | 2 |
Piston weight | 79 g |
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 |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Area of application: (Dis)assembly tool · Number of components: 7 pcs · Width across flats SW: 10 mm · Width across flats SW: 17 mm
EUR 24.30
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Area of application: Standard · Hole spacing outlet: 42 mm · Number of components: 4 pcs · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 10.90
GPO gasket set cylinder original | Puch Maxi S, N / X30 NS, NL, N-2AH
Thickness: 0.3 mm · Thickness: 0.4 mm · Thickness: 1.8 mm · Manufacturer: GPO · Material: Aluminum · Material: Sealing carton · Material: Sealing paper · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Area of application: Standard · Hole spacing outlet: 42 mm · Number of components: 4 pcs · Hole spacing inlet: 32 - 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 9.05
Moped fans like you also bought:
GPO gasket set | Puch E50
Material: Aluminum · Material: Fiber · Material: Sealing carton · Material: Sealing paper · Manufacturer: GPO · Area of application: Standard · Number of components: 7 pcs · Ø outlet inside: 19.9 mm · Hole spacing inlet: 32 - 38 mm · Hole pattern [mm]: 44 x 44 · Decompressor: Yes · Hole spacing outlet: 42 mm
EUR 12.10
swiing® revival stud bolt set M6 x 106 mm | Puch
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: M6x1 (standard thread) · Diameter: 5.9 mm · Total length: 106 mm · Drive: External hexagon · Width across flats SW: 10 mm · Thread length: 13 mm · Thread length: 18.5 mm · Alternative version of the Puch OEM number: 360.1.10.034.1
EUR 9.05
Inner cable set automatic | Puch E50
Ø Stranded wire: 1.25 mm · Ø Stranded wire: 1.5 mm · Ø Stranded wire: 1.8 mm · Manufacturer: Made in Germany · Material: Steel · Quantity: 4 pcs · Total length: 1600 mm · Total length: 2200 mm · Nipple shape: Barrel (transverse) · Nipple shape: Cylinder · Nipple shape: Pears
EUR 12.10
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Area of application: Standard · Hole spacing outlet: 42 mm · Number of components: 4 pcs · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 10.90
swiing® revival shim set crankshaft L17 | Puch Z50
Manufacturer: swiing® revival parts · Material: Steel · Surface: blank / oiled · Ø outside: 23.8 mm · Nominal diameter inside: 17 mm · Ø inside: 17.1 mm · Thickness: 0.1 mm · Thickness: 0.15 mm · Thickness: 0.2 mm · Thickness: 0.25 mm · Thickness: 0.3 mm
EUR 10.90
38 mm cylinder kit fan-cooled 12 mm KoBo | Puch Velux, NG-2AH
Material: Gray cast iron · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Nominal diameter: 38 mm · Crankshaft stroke: 43 mm · Displacement: 50 ccm · Ø piston pin (B): 12 mm · Hole spacing inlet: 32 mm · Hole spacing outlet: 42 mm · Thread inlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Outlet type: straight · Thread outlet: M6x1 (standard thread)
EUR 97.60
EUR 103.70