Powerful racing kit with 38 mm bore and reed valve inlet suitable for various Puch mopeds and small motorcycles.
The housing does not need to be spindled for use. To exploit the full performance, we recommend fitting at least a 15 mm carburetor and a racing exhaust.
Ø outside intake manifold: 24 mm
Ø inside intake manifold: 20.5 mm
Scope of delivery according to figure 1.
As experience has shown that the supplied steel diaphragm plates can break, we recommend replacing them with carbonite diaphragm plates.
You will find them in the accessories along with other suitable parts.
Quality product from the Italian manufacturer Athena.
| Nominal diameter | 38 mm |
| Manufacturer | Athena |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Thread inlet | M5x0.8 (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 |
| Camouflaged | No |
| Area of application | Tuning |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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