High-performance cylinder for Puch without having to ream the casing. With 45mm bore and slotted inlet.
Carburetor at least 15mm and a racing exhaust should be fitted to exploit the full power.
The cooling fins are as original, therefore camouflaged.
Note: Please note the installation direction when assembling. The piston is inserted with the arrow pointing towards the outlet on the exhaust side.
(Scope of delivery as per photo).
Quality product from the Italian manufacturer Athena.
| Manufacturer | Athena |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 45 mm |
| Ø cylinder neck | 48 mm |
| Inlet window | 22.3 x 14 mm |
| Area of application | Tuning |
| Ø outlet inside | 23.5 mm |
| Thread inlet | M6x1 (standard thread) |
| Ø piston pin (B) | 12 mm |
| Decompressor | No |
| Hole pattern [mm] | 44 x 44 |
| Hole spacing outlet | 42 mm |
| Hole spacing inlet | 38 mm |
| Outlet type | straight |
| Number of fixing points | 4 pcs |
| Thread outlet | M6x1 (standard thread) |
| Camouflaged | Yes |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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