
Powerful racing kit with 45 mm bore and diaphragm inlet suitable for various Puch mopeds and small motorcycles.
The housing does not need to be spindled for use. However, the racing set lock must be removed to use this cylinder.
| Manufacturer | Athena |
| Material | Aluminum |
| Area of application | Tuning |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 45 mm |
| Ø cylinder neck | 47.8 mm |
| Ø Inlet inside | 16 mm |
| Inlet window | 38 x 25 |
| Ø piston pin (B) | 12 mm |
| Ø outlet inside | 26 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing outlet | 42 mm |
| Number of fixing points | 4 pcs |
| Decompressor | No |
| Hole pattern [mm] | 44 x 44 |
| Hole spacing inlet | 60 mm, 40 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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