engines, specifically the M531 or M731 series, which were also used in DDR-era mopeds. Specification Details Engine Type Simson M531 KL (A 01) / M731 KL Forced air cooling (Gebläse) Lubrication Fuel-oil mixture 50:1 Electronic with Isolator M 14-260 spark plugs Transmission

: The heart of the machine was a robust two-stroke engine, often derived from the Simson M500 series used in East German mopeds. This meant that parts like spark plugs and carburetors were easily accessible across the country.