French Motorcycles

Today in Motorcycle History

Syphax Motorcycles

A Brief History of the Marque

Manufactured by Société des Cycles et Motos Syphax, 1952-1953
6 rue de Coulmiers
Nantes (Lower Loire)

Models include a 175cc four-stroke machine (possibly powered by AMC) with telescopic forks and swingarm rear suspension with hydraulic shock absorbers. Others were powered by 98cm3 Sachs engines and horizontal Ydral two-strokes.

The attractive Monza had a horizontal 98cc AMC 3-speed twostroke engine, dual seat, sculpted 12 litre tank and plunger rear suspension.

Types 54 3v and 55 3v had AMC 3 speed 175cc engines, and 54 4v and 55 4v had 125cc AMC 4 speed engines. Types 55 had plunger rear suspension, types 54 were rigid. The 55 4v had a dual seat, with the other three having solo saddles.

There was also a tandem powered bicycle with two sets of pedals and handlebars.

It it believed that Gitane resumed manufacture of some Syphax models.

Sources: JLB Creations, et al.

Michele29.antoine at
Syphax année 55 modèle week end 1er main bon état peinture d'origine
Je souhaiterai connaître sa valeur car j'aimerai la vendre
Syphax year 55 model week end 1st hand good condition original paint. I would like to know its value because I would like to sell it
France brest

pracda44 at
01 12 1953
hello, we have a French "Syphax" motorcycle from 1953. the fork is with springs and hydraulic oil.
Could you tell us how to top up the oil and if the seals need to be replaced?
thank you.
Patrick Riva
France If you have a query about these classic French machines, please contact us