1931 to 1932
Monet & Goyon 250cc Type M3, ML3
(Koehler-Escoffier Type K)
Unit construction single-cylinder four stroke engine built by Monet-Goyon, three-speed gearbox - Gurtner carburettor, magneto ignition, tubular frame - parallelogram forks, rigid rear.
The letter L denotes Light, these models having for instance a narrower front guard and less ornate silencer. L versions were generally less expensive.
In 1933 the M3 was renamed ML2.
1933-1935
Monet & Goyon 250cc type ML2, M2
Koehler-Escoffier Type K
ML2 Standard, M2 Luxe
Unit construction single-cylinder sidevalve engine built by
Monet-Goyon, three-speed gearbox - Gurtner carburettor, magneto
ignition, tubular frame - parallelogram forks, rigid rear.
The Luxe model M2 had an aluminium fishtail muffler and larger mudguards.
Monet & Goyon 250cc type L Tourisme 1934-1935, LB 1935
Koehler-Escoffier Type K
Single-cylinder sidevalve engine built by
Monet-Goyon with separate 3-speed gearbox. Max speed 90 km/h.
L3 1933 to 1935
Monet & Goyon 250cc type L3, AL3 1936 to 1942
Koehler-Escoffier Type K
Single-cylinder sidevalve engine built by Monet-Goyon with 3-speed type DD gearbox. Gurtner carburettor, magneto
ignition. Tyres 25x3.00
1935 LS3
1935 Monet & Goyon 250cc type LS3 Sport, LS3S Grand Sport 1935, ALS3 1937-1942
Single-cylinder OHV engine built by Monet-Goyon with separate 3-speed gearbox. Optional sidecar.
Postwar, the LS3 was named the R4.
Single-cylinder side-valve 350cc Monet-Goyon unit-construction engine with three-speed gearbox, with Gurtner carburettor and magneto ignition. Saddle tank of 10 litres capacity, tubular frame with parallelogram forks which had a large tyre pump mounted on the left, rigid rear end. Aluminium fishtail muffler. The M4 valanced mudguards and more chrome than the ML4.
Wheels and tyres: 26 x 3.50 front and rear.
The M4A was tested by the military in 1933, but a contract with the armed forces was not forthcoming. The similar L4A was later accepted.
1934-1935 L4
Monet & Goyon 350cc type L4 1934-1935, AL4 Lateral Tourisme 1936-1937, AL4SA Luxe 1937 (Champion de France, with rear suspension)
Monet-Goyon single-cylinder 350cc sidevalve engine with separate 3-speed type DD gearbox, Amac or Gurtner carburettor. The exhaust muffler was of cylindrical styling, rising from below the gearbox on the left side at an angle of roughly 20 degrees.
Maximum speed: 95 km/h.
Options included enamel paint schemes, chromed tank and guards and stainless spokes.
1936-1942 L4
Monet & Goyon 350cc type L4P 1936, PL4 1937-1942
Monet-Goyon single-cylinder 350cc sidevalve engine with separate 3-speed gearbox, Amac or Gurtner carburettor.
Weight 110 kg, tyres 26 x 3.25 front and rear.
1934-1935 LS4S LS4L
Monet & Goyon 350cc type LS4S / LS4L 1934-1935, LS4C 1935, LS4P 1936 PLS4 1937-1942
345cc Monet-Goyon OHV engine with dual exhaust ports, three-speed gearbox type DD (4-speed on the PLS4), slightly inclined cylinder
Morel magneto. Brakes 170 mm.
Tyres 26 x 3. 25 F&R.
Parallelogram forks and rigid tubular frame
Weight : 129 Kg - Maximum speed: 115 km/h (125 for the PLS4)
LES 3 ET 4 CV, MOTEUR A 4 TEMPS
A SOUPAPES LATERALES
TYPE AL 3 Moteur 250 cmc, soupapes latérales, cylindre fonte spéciale, culasse alliage spécial rapportée, grand refroidissement. Piston alliage hypersilicié à très faible coefficient de dilatation. Montage du moteur sur gros axes.s. Moteur très robuste. Boîte 3 vitesses. Freins de 150 mm. AV et AR. Frein de direction. Pneus de 25×3 ou 26×3,50 avec supplément. Béquille, porte-bagage.. Miroir rétroviseur. Graissage par circulation d'huile, carter sec.
Supplément pour éclairage code par alternateur ou dynamo.
TYPE AL 4 même description, cadre renforcé prévu pour side-car, moteur 350 cmc, pneus 26× 3,50.
TYPE PL 4 même description, modèle léger 350 cmc. pneus 26×3,25.
LES 3 CV MOTEUR 4 TEMPS, SOUPAPES EN TETE
TYPE ALS 3 moteur 250 cmc, soupapes en tête à 80°, culasse hémisphérique grand rendement, cylindre et culasse fonte spéciale à larges ailettes, piston en alliage hypersilicié à faible coefficient de dilatation. Vilebrequin de grosses dimensions sur roulements à billes et à aiguilles. Gros volant en acier forgé. Carburateur incliné. Echappement monotube. - Boîte 3 vitesses. - Pneus 26x3.25. - Miroir rétroviseur. Graissage par circulation d'huile, carter sec. Ressorts en pincettes.
Supplément pour éclairage code alternateur ou dynamo.
LES 4 CV, MOTEUR 4 TEMPS, SOUPAPES EN TETE
TYPE ALS 4 nouveau moteur à culbuteurs, 2 échappements, soupapes en tête à 80° Culasse hémisphérique à grand rendement. Cylindre et culasse fonte au chrome à larges ailettes. Piston en alliage hypersilicié à très faible coefficient de dilatation.
Vilebrequin de grosses dimensions sur roulements à billes et à aiguilles. Volant intérieur en acier forgé. Cadre avec fourche très souple, particulièrement étudiée pour une stabilité et une tenue de route incomparables. Pneus 26×3,25 ou, sur demande, 26×3,50. Miroir rétroviseur. Sur demande, avec supplément, éclairage électrique par dynamo à double débit, accumulateurs, phare de grand diamètre, ampéremètre, avertisseur électrique, plaque code ou éclairage électrique par alternateur. ou
Graissage par circulation d'huile, cartersec.
TYPE PLS 4 3 vitesses, modèle léger pour solo.
TYPE PLS 4 4 vitesses, Ressorts en pincettes.
TYPE CSG, Même modèle que ALS 4, mais moteur MAG.
LES 5 CV 500 CMC TOURISME - SPORT
TYPE ALS 5, nouveau moteur, culbuteurs à grand rendement, 2 échappements, soupapes en tête à 80°; cylindre et culasse fonte au chrome à e à 80°; cylindre et culasse fonte au chrome à larges ailettes. Piston eu alliage spécial. Vilebrequin monté sur double rangée de galets. Portées de roulements montées sur aiguilles. Basculeurs sur rouleaux. Cadre et fourche en tubes de grosses dimensions, raccords brasés avec attaches prévues pour side-car -TYPE «CHAMPION DE FRANCE ». Freins de grande puissance, réservoir festonné d'une contenance de 16 litres: porte-bagages démontable. Pneus de 26×3,25 ou, sur demande, 26×3,50. Boîte 4 vitesses à sélecteur au pied ou, sur demande, commande au cadre. Miroir rétroviseur.
Sur demande, avec supplément, éclairage électrique par dynamo double débit, accumulateur. phare aérodynamique, ampèremètre, avertisseur électrique, plaque code. Graissage circulation d'huile, carter sec. Ressorts en pincettes.
TYPE PLS 5 Même description, modèle plus léger, pneus 26×3,25.
TYPE PL 5 Même modèle, à soupapes latérales, pneus 26×3,25.
TYPE AL 5 A soupapes latérales, modèle renforcé, «grand tourisme», pneus 26×3,50
TYPE CSH Supersport, 4 vitesses, moteur MAG, pneus 26×3,25.
THE 3 AND 4 HP, 4-STROKE SIDE-VALVE ENGINES
TYPE AL 3 250cc engine, side valves, special cast iron cylinder, special alloy cylinder head, high-performance cooling. High-silicon alloy piston with very low coefficient of expansion. Engine mounted on large axles. Very robust engine. 3-speed gearbox. 150mm front and rear brakes. Steering brake. 25x3 or 26x3.50 tyres (at an additional cost). Kickstand, luggage rack. Rearview mirror. Oil circulation lubrication, dry sump. Low beam headlight (alternator or dynamo) available at an additional cost.
TYPE AL 4 same description, reinforced frame designed for a sidecar, 350cc engine, 26x3.50 tyres.
TYPE PL 4 same description, lightweight 350cc model. 26×3.25 tyres.
THE 3 HP 4-STROKE ENGINE, OVERHEAD VALVES
TYPE ALS 3 250cc engine, 80° overhead valves, hemispherical cylinder head high efficiency, special cast iron cylinder and cylinder head with large fins, piston made of high-silicon alloy with a low coefficient of expansion. Large crankshaft on ball and needle bearings. Large forged steel flywheel. Angled carburetor. Single-pipe exhaust. - 3-speed gearbox. - 26x3.25 tyres. - Rearview mirror. Oil circulation lubrication, dry sump. Clip-on springs.Optional extra for alternator or dynamo headlights.
THE 4 HP, 4-STROKE ENGINE, OVERHEAD VALVES
TYPE ALS 4 new rocker arm engine, 2 exhaust ports, overhead valves at 80° High-efficiency hemispherical cylinder head. Chrome cast iron cylinder and cylinder head with wide fins. High-silicon alloy piston with a very low coefficient of expansion.
Large crankshaft on ball and needle bearings. Forged steel flywheel internal. Frame with very flexible fork, specially designed for unparalleled stability and road holding. 26×3.25 tyres or, on request, 26×3.50. Rearview mirror. On request, at an additional cost, electric lighting by dual-flow dynamo, batteries, large diameter headlight, ammeter, electric horn, license plate light or electric lighting by alternator.
Oil circulation lubrication, dry sump.
TYPE PLS 4 3-speed, lightweight model for solo use.
TYPE PLS 4 4-speed,
TYPE CSG Same as ALS 4, but with a MAG motor.
THE 5 HP 500 CMC TOURING - SPORT
TYPE ALS 5. New engine, high-efficiency rocker arms, 2 exhausts, 80° overhead valves; chrome cast iron cylinder and cylinder head with 80°; chrome cast iron cylinder and cylinder head with wide fins.
Special alloy piston. Crankshaft mounted on a double row of rollers. Bearing journals mounted on needle bearings. Rocker arms on rollers. Frame and forks made of large diameter tubing, brazed joints with sidecar mounts - TYPE "FRENCH CHAMPION". High-power brakes, scalloped fuel tank with a 16-litre capacity: removable luggage rack. 26×3.25 tyres or, on request, 26×3.50. 4-speed gearbox with foot shifter or, on request, frame-mounted controls. Rearview mirror.
Options on request: electric lighting via dual-flow dynamo, battery. Aerodynamic headlight, ammeter, electric horn, code plate. Lubrication: oil circulation, dry sump.
TYPE PLS 5 Same description, lighter model, 26×3.25 tyres.
TYPE PL 5 Same model, side-valve, 26×3.25 tyres.
TYPE AL 5 Side-valve, reinforced model, "grand tourisme", 26×3.50 tyres.
TYPE CSH Supersport, 4-speed, MAG engine, 26×3.25 tyres.
Source: Adapted from the 1937 M&G factory catalogue, supplied with thanks to Memoire du Cycle
1937-1938 ALS4
Monet & Goyon 350cc type ALS4 1937-1938
Inclined 350cc OHV engine dry sump with separate four-speed LSS type gearbox, dual exhaust ports, dry sump, parallelogram forks in rigid frame. The ALS4SA Champion de France has rear suspension.
1935 L4A
1935 Monet & Goyon 350cc type L4A Militaire
Single-cylinder 350cc sidevalve engine with separate 4-speed gearbox, Gurtner carburettor, magneto ignition.
Parallelogram forks in rigid frame, sidecar mounts.
The French military ordered 1500 units.
1935-1938 L5
Monet & Goyon 500cc type L5 Lateral Tourism and L5P, 1935 to 1938. (Koehler-Escoffier KL5L)
487 cc single cylinder SV Monet-Goyon engine with separate 3 speed gearbox (4-speed gearbox on type LSS), Gurtner carburettor, rigid tubular frame with parallelogram fork. Sculptured 16 litre fuel tank, 180 mm drum brakes, 26/3.50 tyres.
Weight 140kg, max speed 100 km/h.
Optional rear suspension on Luxe version.
Monet & Goyon 500cc LS5, LS5L, LS5P
LS5: 487cc single-cylinder four-stroke OHV engine by Monet-Goyon
Cast iron cylinder head with dual exhaust valves, AMAC or Gurtner carburettor, magneto igniton
Tubular rigid frame (primitive plunger rear suspension on some late models)
Tyres: 26/3.50
Weight 150 Kg, maximum speed: up to 130 km/ h depending on configuration. A competition LS5C achieved 140 km/h.
1935 Monet & Goyon 500cc type LS5S Super-Sport
The LS5S had a 487ccc Monet-Goyon OHV engine with a separate foot-operated four-speed gearbox
Cast iron cylinder head with dual exhaust valves, AMAC or Gurtner carburettor, magneto ignition
Suspension by parallelogram forks with plunger style at rear.
Tyres: 26/3.25
Max speed 130-135 km/h.
Monet & Goyon 500cc type ALS5 1936-1939
The ALS5 had a 487ccc Monet-Goyon OHV engine with a separate foot-operated gearbox. It weighed 150kg and some versions could attain 135 km/h.
From 1937 the Luxe version had plunger rear suspension and was deemed the ALS5SA Champion de France (SA denotes rear suspension).
1936-1940 L5A
Monet & Goyon 500cc Militaire types L5A 1936, L5A1 1939, L5A2 1940
The L5A had a 487cc single-cylinder side-valve engine and separate 4-speed gearbox with hand-change on the tank, and was equipped with a Morel magneto. The rigid tubular frame had parallelogram forks, 350 x 19 or 26 x 3.50 tyres and a fuel tank of 15 litres capacity.
It was available with Bernardet or Monet-Goyon sidecar.
Some 1600 of these were delivered to the French military, in various guises Around 500 solo L5A1 motorcycles were delivered between March and May 1940, and approximately 300 L5A1 sidecar combinations were also produced.
The L5A1 was also sold as a 4-speed civilian version during the occupation. After the war, the Gendarmerie also received L5A1 solos. It is unclear whether these were new or war-surplus. The French Army continued to use the L5A1 into the 1950s.
The L5A2 was not mass-produced.
Sources: cyclememory.org, monet-goyon.net, fr.wikipedia.org, et al.
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