Monet-Goyon

In 1916, with France still bleeding on the Western Front, an engineer named Joseph Monet and a well-off Mâcon businessman named Adrien Goyon started thinking about wheels for men who could no longer walk. The war had produced a generation of amputees and paralyzed veterans, and the two men set out to build them pedal-powered invalid carriages. It is not the origin story most motorcycle marques get to claim, but it is the true one, and it says something about the practical, unglamorous engineering instinct that would define the company for the next four decades.
Founding in Mâcon
Monet & Goyon was formally established on April 2, 1917, in Mâcon, the Burgundy town that would remain the company's home for its entire existence. Their first product carried the name Vélocimane, a human-powered vehicle built for disabled riders. Before the firm ever built anything resembling a conventional motorcycle, it made tricycles, cycle-attachments, and utility machines for people who needed mobility more than speed. That humanitarian starting point—unusual among the motorcycle makers of interwar France—shaped a company culture oriented toward reliability and utility rather than novelty for its own sake.
The Early Machines
The leap from muscle power to motor power came quickly. Monet-Goyon began building the "Auto-Roue," or Autowheel, a motorized cycle attachment made under license from the English firm Wall. It came in various small displacements—117cc, 119cc, and 124cc two-stroke engines—and was used to power the company's Automouche tricycles. This was still a company selling mobility rather than performance, but the engineering appetite was growing.
In 1922 the firm began building Villiers engines under license, fitting them across its existing model range, and two years later it presented its first genuine sports machine, the 175cc ZS. That same stretch of years brought the company's first real loss: Joseph Monet, the engineer whose name was on the letterhead, died of tuberculosis in 1926. His brother Marcel Monet stepped into his place, and the company kept moving. Four-stroke power arrived that year too, with MAG-designed engines built under license in France—first the 350cc IOV and OHV MC and MCS models, then in 1927 a 500cc pairing, the MC5 and MC5S. By 1929 the old belt-drive layouts were finally retired in favor of chain drive and proper saddle tanks, and Monet-Goyon looked, for the first time, like a modern motorcycle manufacturer rather than an adapted bicycle maker.
The Golden Era
The years bridging the 1920s and 1930s were Monet-Goyon's high-water mark, and racing was the engine of that success. Running specially tuned Villiers engines, the factory team won the French national championship every year from 1924 through 1927, a run built on the Z model and its variants. The marque also took the Grand Prix de France three times in this era; several sources put those wins in 1927, 1928, and 1929, though the exact roster of years varies a bit depending on which French account you consult. There is no serious dispute, in any case, that Monet-Goyon was, for several seasons running, one of the fastest small-bore marques in France. The factory also claimed wins on the climb at Mont Ventoux and set numerous world records through the mid-to-late 1920s, most of it delivered by factory riders Louis Janin, Albert Sourdot, Hommaire, and Gaussorgues.
That momentum carried into a major strategic move. As the Depression tightened its grip on the French motorcycle industry and smaller makers began closing their doors, Koehler-Escoffier of Lyon—a marque built since 1912 specifically around sporting and racing machines—found itself in trouble. Monet-Goyon absorbed the company in March 1929, per the museum in Melle, which holds the most direct institutional memory of the marque. The deal brought Monet-Goyon not just a respected Lyon nameplate but Raymond Guiguet, the head of Koehler-Escoffier's racing effort, who was retained to run Monet-Goyon's competition department. Guiguet did not disappoint: by around 1930 he had developed what was, by most accounts, France's most advanced racing engine of the period, the Koehler-Escoffier 500GP V-twin.
The company also pushed its influence beyond its own factory gates. Monet-Goyon was instrumental in persuading Clément-Bayard to license Sturmey-Archer gearbox technology for French production, manufactured at the Charleville-Mézières plant under the La Macérienne brand—a reminder that Mâcon's engineers were thinking about the health of the wider French industry, not just their own sales ledger. New racing machines from this period carried Rudge Python 500cc engines, extending the marque's competitive reach further still.
Racing
Monet-Goyon's competition record stretches back to 1922, but it was the 1924 Z model, fitted with a 172cc Villiers engine, that turned the marque into a fixture on French circuits and hillclimbs, racking up Grand Prix results and a run of world records. A year later the model was fitted with the Villiers "Super Sports Brooklands TT" engine, a unit that had already made its name breaking records at Brooklands itself, and the bright red Monet-Goyon machines running it swept up laurels across France.
The second wave of the racing program arrived in 1928 with the Type K family—AF, AT, and AS variants—which campaigned through Grand Prix and championship events from 1929 into 1931. With Guiguet's Koehler-Escoffier V-twin now part of the arsenal, Monet-Goyon entered the early 1930s with arguably the strongest technical racing package it would ever field, even as the wider economic climate made racing an increasingly expensive indulgence for a mid-sized manufacturer.
Landmark Models
Beyond the works racers, Monet-Goyon built a long line of production machines that kept the Mâcon factory running through changing times. The 1924 ZS was the machine that started the sporting reputation, followed by the 1925 Brooklands TT with its Villiers record-breaking pedigree. Through the 1930s the firm offered a range of Villiers-powered touring models with names like Starlett, Pullman, and Dolina, alongside its own 350cc sidevalve singles—the L4 of 1934–35, the AL4 Lateral Tourisme of 1936–37, and the AL4SA Luxe of 1937. The MG24 was a short-lived model built only across 1931–32, an example of how quickly the range turned over as the company chased shifting market tastes.
After the Second World War, Monet-Goyon reoriented itself firmly toward lightweight, practical machines for a France rebuilding its roads and its economy: the 1954 Castor with its 98cc and 115cc Villiers engines, the 1957 Dolina 125cc three-speed, the 1953 Shooting Star 200cc Type M2V, the M2VS 232cc Sport, and a run of S-series commuter models including the S2GD 98cc and S6VL 125cc. These were a world away from the record-chasing works specials of the 1920s, but they kept the factory's lights on through the postwar decade.
Ownership and the Long Decline
The Koehler-Escoffier acquisition remained the defining ownership event in the company's history, bringing a serious racing pedigree and a talented engineer into the Monet-Goyon fold at the moment the marque needed it most. But the company's founding generation did not last much longer. Marcel Monet, who had taken over after his brother's death, died in 1938. With war returning to Europe, the factory's attention shifted to military sidecars, and Adrien Goyon, the co-founder who had backed the whole enterprise from its invalid-carriage beginnings, stepped back from active involvement as the 1940s began. Goyon reportedly died in January at the age of 93, though the year itself cannot be pinned down with confidence from available records, and it should be treated as unconfirmed rather than settled fact.
The postwar decades were harder on Monet-Goyon than the war itself had been. France's motorcycle industry as a whole came under pressure from an unexpected direction: cheap, weatherproof small cars. The Fiat 600 in Italy, the Isetta-style microcars from Germany, and above all Citroën's 2CV at home offered ordinary French families an alternative to two wheels that was hard to refuse. Squeezed by that competition and by internal management troubles in the company's final years, Monet-Goyon could not hold on. The firm closed in 1959, forty-two years after two men in Mâcon set out to build carriages for wounded soldiers.
Monet-Goyon Today
Production ended in 1959, and Monet-Goyon has not built a motorcycle since. What remains is a body of work that traces almost the entire arc of early French motorcycling: invalid tricycles, licensed British engines, home-grown four-strokes, a championship-winning racing program, a Lyon acquisition that briefly gave it one of the most advanced racing V-twins in France, and finally a run of humble postwar commuters built to survive in a market that no longer wanted them.
Collectors have caught up with the marque in recent years. The sporting machines of the 1920s and 1930s, particularly anything connected to the Z model or the Koehler-Escoffier racing lineage, draw serious attention when they surface, and the lightweight postwar models have their own following among riders who value honest, unpretentious engineering over rarity for its own sake. The clearest institutional memory of the company survives at the Musée Monet Goyon in Melle, in the Deux-Sèvres department, where the marque's tools, machines, and paperwork are kept for anyone willing to make the trip and look closely at what a small Mâcon workshop built over four decades.