Powerful racing kit with 38 mm bore and reed valve inlet suitable for various Puch mopeds and small engines.
The housing does not need to be spindled for use. To exploit the full power, we recommend fitting at least a 15 mm carburetor and a racing exhaust.
| Nominal diameter | 38 mm |
| Manufacturer | Athena |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Area of application | Tuning |
| Thread inlet | M5x0.8 (standard thread) |
| Ø piston pin (B) | 12 mm |
| Number of fixing points | 4 pcs |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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