MM
The MM (Mario Mazzetti) was an Italian motorcycle company with its home in Bologna that opened on the 1924 and closed in 1957.
Founded by Mario Mazzetti (1895-1964), former employee of the GD, another motorcycle Casa di Bologna, along with Alfonso Morini Angelo Mattei and Joseph Massi-Deck, the MM debuted in 1924 with a 125 cc monocilindrica two times (with the engine patented by Mazzetti) by success, driven also by the victories achieved in various competitions, including:
- Milan-Napoli 1925
- Italian Serie A Bicycle Motor 1926 and 1927
- Circuito del Lario 1927 and 1928
- Grand Prix of Nations 1927, 1928 and 1929
- Italian Serie A Speed Seniores 125 1928
In 1929 in order to fall into a category from the growing success and the 175 four-stroke engine was helped by simplification provided by the Code of the road (which provided for exemption from plate and license). With the abolition of the facilities in 1933, the 175 is replaced by a 250. Both have some success, even in competitions (175 in 1933 to conquer the world records in the mile run on miles, while the 250 won the Circuito del Lario 1938 and 1939 and the Milano-Taranto 1940).
In 1930 175 to 350 is flanked on one side valves, motorcycles of traditional (with rigid frame and change by hand), but with very good qualities of resistance (so as to become the "official motorcycle" the Traffic police of Bologna). Minor success has made in the 500 1934 as a bonus of 350. Both, with the appropriate updates, will remain in the catalog until 1950.
The 1937 marks the abandonment of M.M. by Alfonso Morini. Its clearance is 25,000 pounds, some equipment and a motorcycle. Just the bike (turned into motocarro) will mark the beginning of the Morini as a manufacturer, which in the 1946 will take him to found the Moto Morini.
The World War II heavily affects the MM, which fails to take advantage of military, as many of the Italian motorcycling Properties, because of hostility to the regime Fascist from Mazzetti .
Work resumed in 1947 with a 250 Single equipped with front suspension fork teleidraulica (first example in Italy) and elastic frame. In 1950 to 250 alongside a new 350, derived from the quarter-liter. The M.M. are among the most powerful bikes on the market in Italy: 250, 1953 declaring a maximum speed of 134km/h (equal to that of a "half a liter as the Gilera Saturno or Moto Guzzi Falcone, while the 350 close to 150km/h.
The market is changing now, and calls economic motorcycles and scooters, absent from the range of the house in Bologna. An attempt to respond to the demands of the market is the 125 two days of 1954, but it is the swan song. In 1957 is declared the failure of the MM
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