
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: On 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.
You can find the corresponding repair metal and other add-on parts such as cylinder head, exhaust system etc. in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
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
| Nominal diameter | 40 mm |
| Manufacturer | GPO |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 55 ccm |
| Crankshaft stroke | 43 mm |
| Number of fixing points | 4 pcs |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing inlet | 32 mm |
| Ø piston pin (B) | 12 mm |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Camouflaged | No |
| Area of application | Tuning |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
Accessories & related products
WEKEM 2K liquid metal
Temperature resistance (min.): -20 - 80 °C · Manufacturer: WEKEM · Material to be used: Aluminum · Material to be used: Ceramics · Material to be used: Metal · Material to be used: Steel · Material to be used: Wood · Contents: 24 ml · Hazard warning: Causes serious eye irritation · Hazard warning: Causes skin irritation · Hazard warning: Harmful to aquatic organisms (with long-term effects) · Hazard warning: May cause allergic skin reactions · Hazard warning: Toxic to aquatic organisms (with long-term effects) · Color: gray · Signal word: Attention · Hazard pictogram: GHS07 - Caution dangerous · Hazard pictogram: GHS09 - Hazardous to the aquatic environment · Type of application: 2K · Alignment time: 240 sec · Area of application: Chemistry
22,60 EUR
452,00 EUR/kg
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 40 mm · Ø cylinder: 41 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: Tuning
10,10 EUR
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Puch X30 Velux
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Ø outside: 70 mm · Total length: 730 mm · Color: Chrome · Ø Internal connection: 28 mm · Exhaust type: Cigar · Mounting type: Screwed clamp · Flame tube attachment: Flange
162,00 EUR
swiing® ingenious 40 mm cylinder head | Puch EX30 (Z50), ZA50 (fan-cooled)
Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Ø cylinder: 40 mm · Ø outside: 90 mm · Candle thread: short · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No
67,90 EUR
Explore categories from Cylinder
Moped fans also bought
GPO piston 40 mm (12 mm KoBo) | Puch X30 Velux fan-cooled
Nominal diameter: 40 mm · Manufacturer: GPO · Ø outside piston (A): 39.94 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Ø piston pin (B): 12 mm · Weight piston kit: 89 g
39,60 EUR
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 40 mm · Ø cylinder: 41 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: Tuning
10,10 EUR
swiing® revival stud bolt set M6x30 (10.9 strength) galvanized
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: M6x1 (standard thread) · Total length: 30 mm · Drive: External hexagon · Width across flats: 10 mm · Diameter: 6 mm · Thread length: 12 mm · Strength class: 8 · Strength class: 10.9
12,10 EUR












