
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 |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Hole spacing inlet | 38 mm |
| Ø piston pin (B) | 12 mm |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing outlet | 42 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Area of application | Tuning |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
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