
Blade-cooled 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 bikes such as MS, VS, DS, VZ, and M50.
The piston is fitted with the arrow pointing towards the exhaust
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 |
| Camouflaged | No |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 55 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 40 mm |
| Area of application | Tuning |
| Ø piston pin (B) | 12 mm |
| Hole spacing inlet | 32 mm |
| Hole spacing outlet | 42 mm |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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