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.
Details
| Manufacturer | GPO |
| Material | Aluminum |
| Displacement | 70 ccm |
| Area of application | Tuning |
| Surface | sandblasted |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Nominal diameter | 45 mm |
| Ø cylinder neck | 47.8 mm |
| Camouflaged | No |
| Inlet window | 21.4 x 13.5 |
| Hole pattern [mm] | 44 x 44 |
| Ø outlet inside | 23.4 mm |
| Thread inlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Hole spacing outlet | 42 mm |
| Decompressor | No |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Hole spacing inlet | 38 mm |
Suitable for the following models
| Puch | E50 ZA50 (Fahrtwindgekühlt) Z50 (X30 Sport) |
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