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.
| Nominal diameter | 38 mm |
| Manufacturer | GPO |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Area of application | Tuning |
| Number of fixing points | 4 pcs |
| Ø piston pin (B) | 12 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing inlet | 38 mm |
| Hole spacing outlet | 42 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
GPO piston 38 mm 6-channel | Puch
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 impact: Internal fuse (IS) · Nominal diameter: 38 mm · Piston ring mold: Rectangular ring · Piston ring height: 1.45 mm · Ø piston pin (B): 12 mm · Piston weight: 66 g
45,20 EUR
GPO gasket set cylinder original | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Thickness: 0.3 mm · Thickness: 0.4 mm · Thickness: 1.8 mm · Material: Aluminum · Material: Sealing carton · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Ø outlet inside: 22 mm · Hole spacing inlet: 32 - 38 mm · Decompressor: Yes · Hole spacing outlet: 42 mm · Number of components: 4 pcs · Hole pattern [mm]: 44 x 44 mm
8,60 EUR
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø outside: 15 mm · Ø inside: 12 mm · Width: 14.2 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony OEM number: A4222 · Alternative version of the Sachs OEM number: 0232 157 001 · Tomos OEM number: 035548
13,80 EUR
Moped fans also bought
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Nipple length: 5 mm · Number of components: 1 pcs
3,25 EUR
Flame tube 28 mm chrome | Puch Maxi S, N / X30 Sport
Manufacturer: Made in Portugal · Material: Steel · Surface: chrome-plated · Ø inside: 24 mm · Ø outside: 28 mm · Total length: 295 mm · Color: Chrome · Number of fixing points: 2 pcs · Mounting type: Stud bolts & nuts · Hole spacing outlet: 42 mm
19,60 EUR
Hot 
swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Ø inside: 15 mm · Number of fixing points: 2 pcs · Ø External connection: 20 mm · Hole spacing inlet: 38 mm · Mounting type: Screws · Total height: 53 mm · Height flange center hole: 43 mm · Total length: 46 mm · Camouflaged: Yes
40,60 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 · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø outside: 15 mm · Ø inside: 12 mm · Width: 14.2 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony OEM number: A4222 · Alternative version of the Sachs OEM number: 0232 157 001 · Tomos OEM number: 035548
13,80 EUR
Collection only possible with online purchase and appointment.
