
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 |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Area of application | Tuning |
| Ø piston pin (B) | 12 mm |
| Hole spacing outlet | 42 mm |
| Number of fixing points | 4 pcs |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M5x0.8 (standard thread) |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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