
Bladed 40 mm cylinder kit with 12 mm piston pin for your Puch X30 Velux and Puch X30 NG-2AH moped / moped.
With its cylinder neck diameter of 43 mm, the cylinder also fits small engine wheels such as MS, VS, DS, VZ and M50.
The racing cylinder kit without sealing includes cylinder, piston kit, gasket set and studs.
Note: For the Puch Velux engines, the small slot at the sealing surface to the cylinder must be filled so that the cylinder kit is sealed.
We recommend using Wekem 2K liquid metal for this purpose. Please note the installation direction when assembling. The piston is inserted with the arrow pointing towards the outlet on the exhaust side.
Manufacturer: GPO · Nominal diameter: 40 mm · Ø outside piston (A): 39.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.4 mm · Total piston height (E): 52.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring, Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 2 mm, 1.5 mm · Weight piston kit: 89 g
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 6 mm · Thread type: M6x1 (standard thread) · Total length: 30 mm · Thread length: 12 mm · Width across flats: 10 mm · Strength class: 10.9, 8 · Drive: External hexagon
Hole pattern [mm]: 44 x 44 mm · Manufacturer: GPO · Number of components: 4 pcs · Ø cylinder: 40 mm, 41 mm · Hole spacing inlet: 38 mm · Ø outlet inside: 22 mm · Hole spacing outlet: 42 mm · Decompressor: Yes · Area of application: Tuning
| Manufacturer | GPO |
| Material | Gray cast iron |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 55 ccm |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Nominal diameter | 40 mm |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Area of application | Tuning |
| Outlet type | straight |
| Number of fixing points | 4 pcs |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Hole spacing inlet | 32 mm |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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