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
| Nominal diameter | 45 mm |
| Manufacturer | GPO |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 47.8 mm |
| Number of fixing points | 4 pcs |
| Area of application | Tuning |
| 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 |
| Hole spacing inlet | 38 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Decompressor | No |
| Camouflaged | No |
Suitable for the following models
| Puch | E50 ZA50 (Fahrtwindgekühlt) Z50 (X30 Sport) |
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Width: 125 mm · Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Total length: 135 mm · Ø cylinder: 45 mm · Height: 55 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No · Ø screw holder: 7.4 mm
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