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 |
| Ø outlet inside | 23.4 mm |
| Hole spacing inlet | 38 mm |
| Inlet window | 21.4 x 13.5 |
| Thread inlet | M6x1 (standard thread) |
| Ø piston pin (B) | 12 mm |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Hole pattern [mm] | 44 x 44 |
| Decompressor | No |
| Camouflaged | No |
| Area of application | Tuning |
Suitable for the following models
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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GPO 45 mm cylinder head tuning Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Total length: 135 mm · Ø cylinder: 45 mm · Width: 125 mm · Height: 55 mm · Candle thread: short · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: Yes · Area of application: Tuning
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swiing® revival stud bolts M6x38 inlet/outlet galvanized (10.9 strength)
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swiing 15 mm carburetor set camouflaged | Puch E50
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swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
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Total length: 135 mm · Width: 125 mm · Height: 55 mm · Manufacturer: GPO · Area of application: Tuning · Material: Aluminum · Surface: sandblasted · Ø cylinder: 45 mm · Number of fixing points: 4 pcs · Candle thread: short · Ø screw holder: 7.4 mm · Hole pattern [mm]: 44 x 44 · Decompressor: No
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