GPO 45 mm tuning cylinder suitable for various Puch mopeds (Puch Maxi S / N, Puch X30 Sport NS / NL, Puch X30 NG-2A, as well as Puch Supermaxi).
In order to get the full power out of the cylinder, a racing exhaust and a larger carburetor should be fitted.
The matching stud bolts for the intake and exhaust can be found in the accessories.
Scope of delivery as shown in 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 |
| Material | Aluminum |
| Area of application | Tuning |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 45 mm |
| Ø cylinder neck | 47.8 mm |
| Ø outlet inside | 23.4 mm |
| Inlet window | 21.4 x 13.5 |
| Ø piston pin (B) | 12 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing outlet | 42 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Number of fixing points | 4 pcs |
| Decompressor | No |
| Camouflaged | No |
| Hole spacing inlet | 38 mm |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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swiing® revival stud bolts M6x38 inlet/outlet galvanized (10.9 strength)
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swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
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GPO 45 mm cylinder head tuning | Puch Maxi S, N / X30 NS, NL, N-2AH
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Collection only possible with online purchase and appointment.
