Racing cylinder of the Athena brand for Sachs 504 (with adaptations), 505 & 508 engines, which were installed on Hercules mopeds / mopeds, among others. Thanks to the large intake, overflow and exhaust, this tuning cylinder provides a significant increase in performance.
The intake manifold and exhaust flange are included in the scope of delivery.
Plugs with a long thread must be used.
Technical data cylinder:
Attention: For Swiss 504 engines (42 mm stroke), the following modifications must be made to the cylinder:
Quality product from the Italian manufacturer Athena.
Details
Manufacturer | Athena |
Material | Aluminum |
Camouflaged | No |
Surface | sandblasted |
Displacement | 50 ccm |
Crankshaft stroke | 44 mm |
Nominal diameter | 38 mm |
Ø cylinder neck | 51.7 mm |
Ø outlet inside | 28 mm |
Inlet window | 23.4 x 13 |
Ø piston pin (B) | 12 mm |
Thread inlet | M6x1 (standard thread) |
Hole spacing outlet | 50 mm |
Number of fixing points | 4 pcs |
Hole pattern [mm] | 56 (61) x 56 |
Area of application | Tuning |
Outlet type | straight, clamped |
Thread outlet | M8x1.25 (standard thread) |
Decompressor | M10x1.5 |
Hole spacing inlet | 31.5 mm |
Suitable for the following models
Sachs | 505 (mit Tretwelle) - 1A (AT), 2 A (HG) 508 |
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