Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,776 pages of information and 213,825 images on early companies, their products and the people who designed and built them.


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April 1908. Advert in French.

Motosacoche was founded in 1899, by Henri and Armand Dufaux, in Geneva, Switzerland.

Sold in the UK by H. and A. Dufaux

Motosacoche was once the biggest Swiss motorcycle manufacturer, known also for its MAG (Motosacoche Acacias Genéve) proprietary-engines used by other European motorcycle manufacturers.

From 1900 Motosacoche produced a bicycle auxiliary engine, in a sub-frame that could be installed into a conventional bicycle. This looked like an engine in a bag, hence the Motosacoche name, meaning "engine in a bag".

In 1910, Royal Enfield used Motosacoche 344 cc 2.75 hp engines in a successful V-twin model. They are reputed to have supplied Triumph, Ariel, Matchless and Brough Superior with engines at times too, first through H. and A. Dufaux and then, by 1912, Motosacoche Ltd (GB), with Osborne Louis De Lissa. Motosacoche had factories in Switzerland, France and Italy, and supplied MAG engines to continental manufacturers including Clement, Condor, Imperia, Neander and Monet-Goyon.

When the Bol d'Or 24-hour event was first held on the outskirts of Paris in 1922, the winning rider covered more than 750 miles on a 500cc Motosacoche.

1913-1917 For a list of the models and prices of motorcycles see the 1917 Red Book

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