Racing cylinder of the Airsal 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 is included in the scope of delivery.
Plugs with a long thread must be used.
Technical data cylinder:
Attention: For the Swiss 504 engines (42 mm stroke), the following modifications must be made to the cylinder:
Further parts such as the required spark plug with long thread can be found in the accessories.
Quality product from the Spanish manufacturer Airsal.
Details
Nominal diameter | 43.5 mm |
Manufacturer | Airsal |
Material | Cast aluminum |
Surface | sandblasted |
Crankshaft stroke | 44 mm |
Ø cylinder neck | 50 mm |
Ø Outlet outside | 26 mm |
Ø Inlet inside | 14 mm |
Inlet window | 23.8 x 14.8 |
Thread inlet | M6x1 (standard thread) |
Hole spacing inlet | 31 mm |
Ø piston pin (B) | 12 mm |
Outlet type | clamped |
Number of fixing points | 4 pcs |
Hole pattern [mm] | 56 (61) x 56 |
Decompressor | M10x1.5 |
Camouflaged | No |
Area of application | Tuning |
Suitable for the following models
Sachs | 504 (ohne Tretwelle) 505 (mit Tretwelle) - 1A (AT), 2 A (HG) 508 - 1 A |
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