1952 Rex FM 50
The Rex hilsmotor (literal translation ‘help-engine’) is my favourite German cycle-attachment engine.
This model, the FM50, is the rarer - and faster - 49cc Rex. This top-of-the-range model is the only front-mounted Rex engine to be fitted with a clutch.
For a full review of Rex cyclemotors, see page 41 of the Cyclemaster Museum CLICK HERE











