Moto Guzzi - 2 VT & GT 2 VT
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Moto Guzzi D2-492-01-02
Photo ou archives : F-M. Dumas

Capacity : 500
Model : 2 VT & GT 2 VT
Production : 1927 - 1930
Category : (R) Racing

Moto Guzzi

500 - 2 VT – 1927

The single-cylinder bike that conquered Italy


The Moto Guzzi 500 cc 2 VT is an Italian made competition motorcycle built in 1927. It has four stroke horizontal, single cylinder 499 cc engine; with a top speed of 75 mph (120.7 km/h).

"In 1920, Carlo Guzzi astounded the world by unveiling his first motorcycle, a horizontal single-cylinder 500 cc with a single overhead camshaft and four- valve head with twin spark plugs. It was, however, still a prototype, and when it came to series production the following year, costs demanded a simplified design. But that first production Moto Guzzi was still a success.


First Valve-in-Head

The 1923 Moto Guzzi 2 VT ("valvole in testa" or "valve in head") was the company's first racer with twin overhead valves. After 1928, it gained a swinging-fork rear suspension and remained in production until 1934.


Sure of Success

In 1924, however - now certain of commercial success - Carlo Guzzi went back to his original concept and launched the C4V, with an overhead camshaft actuating quadruple valves. For a long time it was the world's fastest single- cylinder bike and won many competitions. Originally developing 22 hp at 5500 rpm, with a top speed of 93 mph, the last C 4Vs built in 1933 had a power output of 32 hp. A total of 486 were produced. Sticking to the original concept, Moto Guzzi continued to make horizontal singles until 1976, in a long line that stretched from racing bikes to utility models. Guzzi also built military models for the Italian Army, police bikes for the Carabinieri, and nearly indestructible three-wheeled light commercial bikes with the same powertrain.



Engine: 499cc (88x82mm) four-stroke horizontal single-cylinder

Power output: 17 hp @ 4200 rpm

Fuel system:- single Amac carburetor

Valve gear: overhead pushrod

Transmission: 3-speed gearbox in unit with engine, chain final drive

Suspension: (front) girder forks; (rear) rigid

Brakes: drum

Wheels: 19 in wire

Weight: 287 lb

Maximum speed: 75 mph


Italy was a two-wheelers’ paradise in 1927 That year, Moto Guzzi production totaled 79,710 vehicles, 52,673 of which were motorcycles.

Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at for conditions and copyright.

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François-Marie Dumas

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