Founded in Acacias, Geneva in 1901, Motosacoche derived its name from Henri and Armand Dufaux's ingenious self-contained cycle-motor power unit, aptly translating to 'une moto sa coche,' or 'an engine in a bag.' The heart of this innovative marvel was a 211cc motor, which quickly found itself in robust production, prompting the Dufaux brothers to establish a subsidiary company to promote it in the UK.

The initial models boasted an atmospheric inlet valve and a battery/coil ignition system, referred to as 'Type A' In 1907, they introduced the 'Type M' model featuring Magneto ignition.

In all iterations, direct belt drive remained the driving force, with early units supplied as mechanical kits ready to be affixed to a compatible bicycle frame, a process so straightforward that it was claimed to take a mere 20 minutes.

Despite its modest engine, the lightweight design enabled these motorcycles to reach speeds of up to 30mph—a notable achievement, considering the rudimentary brake syste...