Cylinder kit Athena aluminum 70 ccm 45mm for Hercules, Sachs MG00006447

Hercules/Sachs tuning cylinder from Athena with 70 cc, ideal for Hercules/Sachs mopeds. The cylinder offers more displacement and larger transfer ports for increased power and speed development, externally indistinguishable from a 50cc cylinder. Includes a complete gasket set. Bore: 45mm. Only suitable for crankshafts with a 42 mm stroke, not suitable for 44 mm stroke. Tuning part for racetrack use, not compliant with road traffic regulations, operating permit expires. Adjustments to timing, ignition, and carburetor tuning required. No warranty on tuning parts. Returns only accepted if undamaged and original.