41.0 mm replacement piston with a rectangular piston ring with flank circlip (FS) and an L-shaped piston ring with internal circlip (IS) for the blown 41 mm Puch X30 Velux mopeds / mopeds and M50, MS50, VS50, DS50, VZ50 small engine bikes with 12 mm piston pin.
The detailed dimensioning 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
| Nominal diameter | 41 mm |
| Manufacturer | GPO |
| Ø outside piston (A) | 40.94 mm |
| Compression height (C) | 23.2 mm |
| Curvature (D) | 3.7 mm |
| Total piston height (E) | 49.3 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Ø piston pin (B) | 12 mm |
| Piston weight | 85 g |
Suitable for the following models
| 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
Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Manufacturer: GPO · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs · Width across flats SW: 10 mm · Width across flats SW: 17 mm
EUR 21.40
EUR 23.80
GPO 41 mm cylinder kit fan-cooled 12 mm KoBo | Puch X30 Velux, N-2AH
Manufacturer: GPO · Manufacturer: Meteor Racing · Manufacturer: swiing · Material: Gray cast iron · Surface: sandblasted · Area of application: Tuning · Displacement: 60 ccm · Nominal diameter: 41 mm · Crankshaft stroke: 43 mm · Ø cylinder neck: 43.2 mm · Ø outlet inside: 19.4 mm · Number of fixing points: 4 pcs · Ø Inlet inside: 14.6 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Hole spacing outlet: 42 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Camouflaged: No
EUR 131.20
Not in stock
Moped fans like you also bought:
swiing® ingenious flame tube 28 mm chrome | Puch X30 Velux
Total length: 380 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Number of fixing points: 2 pcs · Ø inside: 25 mm · Ø outside: 28 mm · Hole spacing outlet: 42 mm · Mounting type: Stud bolts & nuts
EUR 47.60
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Area of application: Tuning · Ø cylinder: 40 mm · Ø cylinder: 41 mm · Number of components: 4 pcs · Ø outlet inside: 22 mm · Hole spacing inlet: 38 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 10.60
GPO cylinder gasket set BAD ASS Lucifer / GPO Sombrero 41 mm | Puch X30 Velux, M50, MS
Number of components: 4 pcs · Manufacturer: GPO · Material: Aluminum · Material: Sealing paper · Ø cylinder: 41 mm · Ø outlet inside: 27 mm · Thickness: 0.4 mm · Thickness: 0.45 mm · Area of application: Tuning · Hole spacing inlet: 32 mm · Hole spacing outlet: 32 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 23.80
GPO 41 mm cylinder kit fan-cooled 12 mm KoBo | Puch X30 Velux, N-2AH
Manufacturer: GPO · Manufacturer: Meteor Racing · Manufacturer: swiing · Material: Gray cast iron · Surface: sandblasted · Area of application: Tuning · Displacement: 60 ccm · Nominal diameter: 41 mm · Crankshaft stroke: 43 mm · Ø cylinder neck: 43.2 mm · Ø outlet inside: 19.4 mm · Number of fixing points: 4 pcs · Ø Inlet inside: 14.6 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Hole spacing outlet: 42 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Camouflaged: No
EUR 131.20
Not in stock
GPO Ø 41 mm "Sombrero" cylinder kit | Puch X30 Velux, NG-2AH
Manufacturer: GPO · Material: Gray cast iron · Area of application: Tuning · Displacement: 57 ccm · Nominal diameter: 41 mm · Crankshaft stroke: 43 mm · Ø cylinder neck: 44.7 mm · Ø outlet inside: 25 mm · Number of fixing points: 4 pcs · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 10 mm · Ø piston pin (B): 12 mm · Hole spacing outlet: 42 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No
EUR 238.60
Collection only possible with online purchase and appointment.
