Sachs 503 ADV CH

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Flywheel of a Sachs 503 ADV CH, behind it the ignition.

The Sachs 503 ADV CH is a single-cylinder moped engine from the Sachs 503 series from the German manufacturer Fichtel & Sachs in Schweinfurt . The engine is a two-speed automatic machine with a centrifugal clutch and 1.2 HP at 3800 min ⁻¹ . The engine was sold exclusively in Switzerland. The cooling is done by the airstream. The idling speed of the engine is 1750 ± 205 min ⁻¹ .

ignition

The ignition takes place via a magneto generator 6  V 17  W of Bosch . The original spark plug is a Bosch W AC (W 145 T 1) with an electrode gap of 0.5 mm. The ignition takes place 3.3 mm (28 °) before TDC

Individual evidence

1. ↑ Repair instructions Sachs 503 ADV 1996.pdf. Retrieved July 4, 2020 . 
2. ↑ Repair instructions Sachs 503 ADV 1996.pdf. Retrieved July 4, 2020 .