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 |
| Area of application | Tuning |
| Crankshaft stroke | 43 mm |
| Number of fixing points | 4 pcs |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing inlet | 38 mm |
| Ø piston pin (B) | 12 mm |
| Hole spacing outlet | 42 mm |
| Hole pattern [mm] | 44 x 44 |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
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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) · Nominal diameter: 38 mm · Ø piston pin (B): 12 mm · Piston ring height: 1.45 mm · Piston weight: 66 g
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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 · Area of application: Standard · Material: Aluminum · Material: Sealing carton · Material: Sealing paper · Number of components: 4 pcs · Ø outlet inside: 22 mm · Ø cylinder: 38 mm · Hole spacing inlet: 32 - 38 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
CHF 7.40
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing cage: Silver cage · Width: 14.2 mm · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Ø outside: 15 mm · Ø inside: 12 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
CHF 11.90
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Manufacturer: Made in Portugal · Total length: 295 mm · Color: Chrome · Material: Steel · Surface: chrome-plated · Mounting type: Stud bolts & nuts · Ø inside: 24 mm · Ø outside: 28 mm · Hole spacing outlet: 42 mm · Number of fixing points: 2 pcs
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swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Area of application: Tuning · Material: Aluminum · Total height: 53 mm · Ø External connection: 20 mm · Mounting type: Screws · Ø inside: 15 mm · Hole spacing inlet: 38 mm · Height flange center hole: 43 mm · Total length: 46 mm · Number of fixing points: 2 pcs · Camouflaged: Yes
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swiing® revival screw set engine galvanized | Puch Maxi
Surface: galvanized (blue) · Manufacturer: swiing® revival parts · Material: Steel · Screw head: Countersunk head · Screw head: Cylinder head · Screw head: Lens head · Drive: Cross recess · Drive: Hexagon socket · Puch OEM number: 900.1216 · Puch OEM number: 901.1308
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swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing cage: Silver cage · Width: 14.2 mm · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Ø outside: 15 mm · Ø inside: 12 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
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Collection only possible with online purchase and appointment.
