
GPO 38 mm tuning cylinder without seal and a large outlet suitable for various Puch mopeds (Puch Maxi S / N, Puch X30 Sport NS / NL, Puch X30 NG-2A, as well as Puch Supermaxi).
Thanks to the 6 exhaust ports, speeds of up to 50 km/h are possible with this cylinder.
The slightly larger cooling fins also ensure better cooling.
The matching stud bolts for the intake and exhaust can be found in the accessories.
Scope of delivery according to figure 1.
This racing kit is also offered in other stores under the names DMP, PSR, Power One or Akoa. However, it is actually just a good, inexpensive standard replacement part. GPO – GOOD PARTS ONLY.
| Manufacturer | GPO |
| Area of application | Tuning |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Nominal diameter | 38 mm |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Hole spacing inlet | 38 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing outlet | 42 mm |
| Hole pattern [mm] | 44 x 44 |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
GPO piston 38 mm 6-channel | Puch
Nominal diameter: 38 mm · Manufacturer: GPO · Ø outside piston (A): 37.95 mm · Compression height (C): 22.4 mm · Curvature (D): 4.9 mm · Total piston height (E): 53.85 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.45 mm · Weight piston kit: 66 g
45,30 EUR
GPO gasket set cylinder original | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Material: Sealing carton · Material: Sealing paper · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Area of application: Standard · Hole spacing outlet: 42 mm · Thickness: 0.3 mm · Thickness: 0.4 mm · Thickness: 1.8 mm · Number of components: 4 pcs · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes · Hole spacing inlet: 32 - 38 mm
8,65 EUR
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Dimension needle bearing: 12/15 x 14.2 · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Width: 14.2 mm · Ø inside: 12 mm · Ø outside: 15 mm · Alternative version of the Pony OEM number: A4222 · Tomos OEM number: 035548 · Alternative version of the Sachs OEM number: 0232 157 001
13,90 EUR
Moped fans also bought
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Area of application: Standard
2,80 EUR
Flame tube 28 mm chrome | Puch Maxi S, N / X30 Sport
Manufacturer: Made in Portugal · Material: Steel · Surface: chrome-plated · Color: Chrome · Ø inside: 24 mm · Mounting type: Stud bolts & nuts · Ø outside: 28 mm · Total length: 295 mm · Hole spacing outlet: 42 mm · Number of fixing points: 2 pcs
19,70 EUR
swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Camouflaged: Yes · Total length: 46 mm · Ø External connection: 20 mm · Ø inside: 15 mm · Mounting type: Screws · Total height: 53 mm · Number of fixing points: 2 pcs · Height flange center hole: 43 mm · Hole spacing inlet: 38 mm · Puch OEM number: 349.2.15.330.1 · Puch OEM number: 349.2.15.130.1
40,70 EUR
swiing® revival screw set engine galvanized | Puch Maxi
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Drive: Cross recess · Drive: Hexagon socket · Screw head: Countersunk head · Screw head: Cylinder head · Screw head: Lens head · Puch OEM number: 900.1216 · Puch OEM number: 901.1308
11,50 EUR
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Dimension needle bearing: 12/15 x 14.2 · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Width: 14.2 mm · Ø inside: 12 mm · Ø outside: 15 mm · Alternative version of the Pony OEM number: A4222 · Tomos OEM number: 035548 · Alternative version of the Sachs OEM number: 0232 157 001
13,90 EUR










