
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.
| Nominal diameter | 45 mm |
| Manufacturer | Athena |
| Material | Aluminum |
| Camouflaged | Yes |
| Area of application | Tuning |
| Displacement | 70 ccm |
| Surface | sandblasted |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Ø cylinder neck | 48 mm |
| Number of fixing points | 4 pcs |
| Ø outlet inside | 23.5 mm |
| Inlet window | 22.3 x 14 |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing outlet | 42 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Decompressor | No |
| Hole spacing inlet | 38 mm |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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