
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.
| Nominal diameter | 45 mm |
| Manufacturer | Athena |
| Material | Aluminum |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 47.8 mm |
| Ø outlet inside | 26 mm |
| Ø Inlet inside | 16 mm |
| Inlet window | 38 x 25 |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Hole spacing inlet | 60 mm, 40 mm |
| Ø piston pin (B) | 12 mm |
| Decompressor | No |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Area of application | Tuning |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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