
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 (colloquially known as Nikasil) from Puch Maxi S / N, as well as Puch X30 Sport mopeds.
Also suitable for blued 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) | 37.95 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 |
| Piston ring impact | Flank safety device (FS) |
| Ø piston pin (B) | 12 mm |
| Tolerance group | 1 |
| Weight piston kit | 74 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 · Surface: burnished · Number of components: 7 pcs · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Material: Steel · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 24.50
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Number of components: 4 pcs · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Hole spacing inlet: 38 mm · Decompressor: Yes · Hole pattern [mm]: 44 x 44 mm · Hole spacing outlet: 42 mm · Area of application: Standard
EUR 10.90
GPO gasket set cylinder original | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Number of components: 4 pcs · Material: Aluminum · Material: Sealing paper · Ø cylinder: 38 mm · Ø outlet inside: 20 mm · Hole spacing inlet: 32 - 38 mm · Thickness: 0.39 mm · Thickness: 0.4 mm · Thickness: 0.45 mm · Thickness: 1.7 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Area of application: Standard · Decompressor: Yes
EUR 9.10
Explore categories from Piston
Moped fans also bought
GPO 38 mm cylinder head original | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Ø cylinder: 38 mm · Surface: sandblasted · Height: 55 mm · Candle thread: short · Decompressor: No · Hole pattern [mm]: 44 x 44 · Width: 125 mm · Total length: 135 mm · Area of application: Standard · Number of fixing points: 4 pcs
EUR 40.50
GPO Gasket Set for E50 Engine | Puch Maxi S, N
Manufacturer: GPO · Number of components: 7 pcs · Material: Aluminum · Material: Fiber · Material: Sealing carton · Material: Sealing paper · Ø outlet inside: 19.9 mm · Hole spacing inlet: 32 - 38 mm · Decompressor: Yes · Hole pattern [mm]: 44 x 44 · Hole spacing outlet: 42 mm · Area of application: Standard
EUR 12.20
swiing® revival oil filler plug with sealing ring | Puch E50
Manufacturer: swiing® revival parts · Number of components: 2 pcs · Material: Steel · Surface: galvanized (blue) · Nominal diameter (thread): 10 mm · Drive: Slot · Screw head: Lens head · Thread type: M10x1.5 (standard thread) · Ø External head: 14 mm · Total length: 14.6 mm · Thread length: 6 mm · Puch OEM number: 364.1.10.660.1
EUR 4.80
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Manufacturer: Made in Germany · Number of components: 1 pcs · Material: Steel · Surface: galvanized (blue) · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Nipple length: 5 mm · Area of application: Standard
EUR 2.95
swiing® revival 12 mm intake manifold | Puch E50
Manufacturer: swiing® revival parts · Camouflaged: No · Material: Aluminum · Total height: 53 mm · Total length: 45.5 mm · Ø inside: 12 mm · Hole spacing inlet: 38 mm · Height flange center hole: 43 mm · Ø External connection: 20 mm · Mounting type: Screws · Area of application: Original · Number of fixing points: 2 pcs
EUR 43.00
GPO Piston 38 mm No. 3 | Puch
Manufacturer: GPO · Ø outside piston (A): 37.97 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 · Piston ring impact: Flank safety device (FS) · Ø piston pin (B): 12 mm · Tolerance group: 3 · Weight piston kit: 73 g
EUR 41.70











