
38.0 mm replacement piston with two 2 mm rectangular piston rings with flank lock (FS) for the blown original Puch cylinder suitable for your X30 Velux and X30 Automat (ZA50) moped / moped.
The detailed dimensions of the piston according to the technical drawing can be found in the details. In addition, you can find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
This piston is equipped with a short piston skirt.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
| Ø outside piston (A) | 37.96 mm |
| Compression height (C) | 22.3 mm |
| Curvature (D) | 3.6 mm |
| Total piston height (E) | 50 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Nominal diameter | 38 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Ø piston pin (B) | 10 mm |
| Weight piston kit | 73 g |
| Puch | ZA50 (fan-cooled) 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 · Number of components: 7 pcs · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
CHF 19.90
Explore categories from Piston
Moped fans also bought
GPO gasket set 38 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Number of components: 4 pcs · Hole spacing inlet: 38 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes · Area of application: Standard
CHF 8.90
swiing® revival tank mount chrome | Puch X30 Sport, Velux
Manufacturer: swiing® revival parts · Material: Chrome steel (colloquially known as stainless steel) · Material: Steel · Surface: galvanized (blue) · Surface: raw · Color: Chrome · Mounting type: Nuts & bolts · Number of fixing points: 2 pcs
CHF 39.90
38 mm cylinder kit fan-cooled 10 mm KoBo | Puch Velux, NG-2AH
Material: Gray cast iron · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 38 mm · Thread inlet: M6x1 (standard thread) · Ø piston pin (B): 10 mm · Hole pattern [mm]: 44 x 44 · Outlet type: straight · Number of fixing points: 4 pcs · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm
CHF 89.90
swiing® revival stud bolt set M6x30 (10.9 strength) galvanized
Drive: External hexagon · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 6 mm · Total length: 30 mm · Strength class: 8 · Strength class: 10.9 · Width across flats: 10 mm · Thread type: M6x1 (standard thread) · Thread length: 12 mm
CHF 10.70







