38 mm replacement piston with two rectangular piston rings with flank lock (FS) suitable for windage-coated, nickel-silver coated original cylinders from Puch Maxi S / N and Puch X30 Sport mopeds. Also suitable for blown cast iron cylinders from 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.
Tolerance number 2
The piston kit contains piston pins, piston clips and piston rings.
You will find the appropriate assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
Details
| Manufacturer | GPO |
| 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 |
| Nominal diameter | 38 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Tolerance group | 2 |
| Weight | 79 g |
Suitable for the following models
| Puch | E50 ZA50 (Fahrtwindgekühlt) ZA50 (Gebläsegekühlt) Z50 (X30 Sport) Z50 (X30 Velux) 2-Gang MS, MV, MV50 3-Gang VSD, DS, VZ, MC |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Area of application: (Dis)assembly tool · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Number of components: 7 pcs
22,40 EUR
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Area of application: Standard · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Number of components: 4 pcs · Decompressor: Yes · Hole spacing inlet: 38 mm
10,00 EUR
GPO gasket set cylinder original | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Material: Sealing carton · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Hole spacing inlet: 32 - 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes · Hole spacing outlet: 42 mm · Number of components: 4 pcs
8,35 EUR
Moped fans like you also bought:
Moderate Casual 
Chrome luggage rack | Puch Maxi S
Color: Chrome · Material: Steel · Surface: chrome-plated · Total length: 425 mm · Width: 168 mm · Wheel size [inch]: 17 " · Height: 32.5 mm · Number of fixing points: 4 pcs · Ø mounting hole: 8.3 mm · Ø mounting hole: 9 mm · Mounting type: Nuts & bolts · Hole spacing: 29 mm
22,40 EUR
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Steel · Surface: blue galvanized · Ø Stranded wire: 1.25 mm · Nipple shape: Cylinder · Cable length: 2200 mm · Number of components: 1 pcs
3,15 EUR
Motorex Automatic Motor Oil (ATF) 450 ml
Temperature resistance (min.): -45 - 200 °C · Manufacturer: Motorex · Area of application: Gearbox lubrication with clutch · Contents [ml]: 450 ml · Gearbox type: Automatic machine · Pony spare part no.: A2080 · Sachs spare part no.: 0263 014 002
11,20 EUR
24,89 EUR/l
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Area of application: Standard · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Number of components: 4 pcs · Decompressor: Yes · Hole spacing inlet: 38 mm
10,00 EUR
swiing® revival shim set crankshaft L17 | Puch Z50
Ø inside: 17.1 mm · Manufacturer: swiing® revival parts · Material: Steel · Surface: blank / oiled · Nominal diameter: 17 mm · Ø outside: 23.8 mm · Thickness: 0.1 mm · Thickness: 0.15 mm · Thickness: 0.2 mm · Thickness: 0.25 mm · Thickness: 0.3 mm
10,00 EUR
Cylinder 38 mm fan-cooled 12 mm KoBo | Puch Velux, NG-2AH
Material: Gray cast iron · Area of application: Tuning · Surface: sandblasted · Crankshaft stroke: 43 mm · Displacement: 50 ccm · Camouflaged: No · Nominal diameter: 38 mm · Number of fixing points: 4 pcs · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Hole spacing outlet: 42 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread)
95,70 EUR
Collection only possible with online purchase and appointment.
