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 |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 47.8 mm |
| Nominal diameter | 45 mm |
| Inlet window | 21.4 x 13.5 |
| Ø piston pin (B) | 12 mm |
| Ø outlet inside | 23.4 mm |
| Thread inlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Hole spacing outlet | 42 mm |
| Area of application | Tuning |
| 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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GPO 45 mm cylinder head tuning Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Width: 125 mm · Height: 55 mm · Total length: 135 mm · Ø cylinder: 45 mm · Candle thread: short · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: Yes
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swiing® revival stud bolts M6x38 inlet/outlet galvanized (10.9 strength)
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GPO 45 mm cylinder head tuning Puch Maxi S, N / X30 NS, NL, N-2AH
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GPO 45 mm cylinder head Racing high-compression | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Width: 125 mm · Total length: 135 mm · Ø cylinder: 45 mm · Height: 55 mm · Area of application: Tuning · 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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