
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 |
| Camouflaged | No |
| 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 |
| Number of fixing points | 4 pcs |
| Inlet window | 38 x 25 |
| Ø piston pin (B) | 12 mm |
| Hole spacing outlet | 42 mm |
| Area of application | Tuning |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing inlet | 60 mm, 40 mm |
| Decompressor | No |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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