1921–1966: Origins
Moto Guzzi was conceived by two aircraft pilots and their mechanic serving in the Corpo Aeronautico Militare (the Italian Air Corp, CAM) during World War I: Giorgio Parodi, Giovanni Ravelli and Carlo Guzzi. Assigned to the same Miraglia Squadron based outside Venice,[10] the three became close, despite coming from different socio-economic backgrounds. They envisaged creating a motorcycle company after the war. Parodi (the son of wealthy Genovese ship-owners) would finance the venture, Ravelli (already a famous pilot and motorcycle racer) would promote the bikes with his racing prowess and Guzzi would engineer the motorcycles. Ravelli died just days after the war's end in an aircraft crash and is commemorated by the eagle's wings that form the Moto Guzzi logo.[11]
Giorgio Parodi, his brother Angelo, and Carlo Guzzi created a privately held silent partnership "Società Anonima Moto Guzzi" on 15 March 1921, for the purpose of (according to the original articles of incorporation) "the manufacture and the sale of motor cycles and any other activity in relation to or connected to metallurgical and mechanical industry".
The company was legally based in Genoa, Italy, with its headquarters in Mandello. The very earliest motorcycles bore the name G.P. (Guzzi-Parodi), though the marque quickly changed to Moto Guzzi. As the only shareholders, the Parodis wanted to shield their shipping fortunes by avoiding confusion of the name G.P. with Giorgio Parodi's initials. Carlo Guzzi initially received royalties for each motorcycle produced, holding no ownership in the company that bore his name. In 1946 Moto Guzzi formally incorporated as Moto Guzzi S.p.A. with Giorgio Parodi as chairman.
Carlo Guzzi's first engine design was a horizontal single-cylinder engine that dominated the first 45 years of the company's history in various configurations. Through 1934, each engine bore the signature of the mechanic who built it. As originally envisioned, the company used racing to promote the brand. In the 1935 Isle of Man TT, Moto Guzzi factory rider Stanley Woods scored an impressive double victory with wins in the Lightweight TT as well as the Senior TT.
Until the mid-1940s, the traditional horizontal four-stroke single-cylinder 500 cc engines were fitted with one overhead and one side valve but contrary to the usual practice of having inlet over exhaust (IOE), this employed the side valve for induction and the overhead valve for exhaust. Also unusual was the adoption of only one hairspring (type of valve spring) to close the exhaust valve. These were the highest performance engines Moto Guzzi sold to the general public. By contrast, the company supplied the official racing team and private racers with higher performance racing machines with varying overhead cam, multi-valve configurations and cylinder designs.
In the 1950s, Moto Guzzi, along with the Italian factories of Gilera and Mondial, led the world of Grand Prix motorcycle racing. With durable and lightweight 250 cc and 350 cc bikes designed by Giulio Carcano, the firm dominated the middleweight classes. The factory won five consecutive 350 cc world championships between 1953 and 1957. Realizing that low weight alone might not continue to win races for the company, Carcano designed the V8 500 cc GP race bike: its engine was one of the most complex of its time. Despite leading many races and frequently posting the fastest lap time, the V8 often failed to complete races because of mechanical problems. Its development ended when Moto Guzzi (together with its main competitors Gilera and Mondial) withdrew from racing after the 1957 season citing rising costs and falling motorcycle sales. By the time of its pull out from Grand Prix racing, Moto Guzzi had won 3,329 official races, 8 World Championships, 6 Constructor's Championships and 11 Isle of Man TT victories.
The period after World War II was as difficult in Mandello del Lario as it was elsewhere in post-war Europe. The solution was production of inexpensive, lighter cycles. The 1946 "Motoleggera", a 65 cc lightweight motorcycle originally—and still regularly—called the "Guzzino," became very popular in post-war Italy. It was produced until 1954.[12] One reason for its success was that, even though it had a somewhat bicycle-like appearance, it still looked and felt more like a motorcycle than other low-end motorized two wheelers in the Italian market at the time.[13] The Guzzinio was so popular that on 5 June 1949 Moto Guzzi held a rally for Guzzino owners at Mandello del Lario, attended by 14,000 people with 12,500 Guzzinos.[14][15] A four-stroke 175 cc scooter known as the "Galletto" also sold well. Though modest cycles for the company, the lighter cycles continue to feature Guzzi's innovation and commitment to quality. The step-through Galletto initially featured a manual, foot-shifted three-speed (160 cc) configuration then later a four-speed (175 cc) set-up by the end of 1952. The displacement was increased to 192 cc in 1954 and electric start was added in 1961.
Moto Guzzi was limited in its endeavors to penetrate the important scooter market as motorcycle popularity waned after WWII. Italian scooter competitors would not tolerate an incursion from Moto Guzzi. By innovating the first large-wheeled scooter, Guzzi competed less directly with manufacturers of small-wheeled scooters such as Piaggio (Vespa) and Lambretta. To illustrate the delicate balance within the Italian post-war motorcycle and scooter markets, when Guzzi developed their own prototype for a small-wheeled scooter, Lambretta retaliated with a prototype for a small V-twin motorcycle threatening to directly compete on Moto Guzzi's turf. The two companies compromised: Guzzi never produced their small-wheeled scooter and Lambretta never manufactured the motorcycle. The drive train that Lambretta made in their 1953 motorcycle prototype remarkably resembles the V-twin + drive shaft arrangement that Guzzi developed more than ten years later, ultimately to become iconic of the company.
By 1964, the company was in full financial crisis. Emanuele Parodi and his son Giorgio had died, Carlo Guzzi had retired to private life, and direction passed to Enrico Parodi, Giorgio's brother. Carlo Guzzi died on 3 November 1964, in Mandello, after a brief hospital stay in Davos.[10]
1967–1973: SEIMM years
In February 1967, SEIMM (Società Esercizio Industrie Moto Meccaniche), a state-controlled receiver, took ownership of Moto Guzzi. The SEIMM oversight saw Moto Guzzi adapting to a cultural shift away from motorcycles to automobiles. The company focused on popular lightweight mopeds including the Dingo and Trotter – and the 125 cc Stornello motorcycle. Also during the SEIMM years, Guzzi developed the 90° V twin engine, designed by Giulio Cesare Carcano, which would become iconic of Moto Guzzi.
Though Moto Guzzi has employed engines of myriad configurations, none has come to symbolize the company more than the air-cooled 90° V-twin with a longitudinal crankshaft orientation and the engine's transverse cylinder heads projecting prominently on either side of the bike. The original V-twin was designed in the early 1960s by engineer Giulio Cesare Carcano, designer of the DOHC V8 Grand Prix racer. The air-cooled, longitudinal crankshaft, transverse cylinder, pushrod V-twin began life with 700 cc displacement and 45 hp – designed to win a competition sponsored by the Italian government for a new police bike. The sturdy shaft-drive, air-cooled V-twin won, giving Moto Guzzi renewed competitiveness. This 1967 Moto Guzzi V7 with the original Carcano engine has been continuously developed into the 1,200 cc, 80 hp versions. Lino Tonti redesigned the motor for the 1971 Moto Guzzi V7 Sport. This engine is the basis of the 750 cc, 1,100 cc and 1,200 cc Guzzi engines. As is the case in any other vehicle with longitudinal crankshaft and orientation of the engine there is a slight gyroscope effect, with a slightly asymmetrical behavior in turns.