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Motore Innocenti Lambretta 125 C
1950 - 1951



After the Second World War, many Italian factories such as Innocenti, Piaggio and others began the mass production of various types of scooters. In 1947 the Innocenti presented the scooter Lambretta which was produced in many series up to 1972. The model 125 C, introduced in 1950 with various improvements, featured the caracteristic powertrain system composed of a 2-stroke single-cylinder engine and a 3-speed transmission.

Technical specifications

ManufacturerInnocenti, Milan, Italy, from 1950 to 1951
Type125 C
Description2-stroke single-cylinder engine, piston, head and crankcase made of aluminum alloy with a cast iron cylinder
Stroke58 mm
Bore52 mm
Displacement123 cm³
Compression ratio6.0
Power4.3 hp at 4500 rpm
Intake and scavenging systemcrankcase-compression with cross-flow scavenging
Fuel feeding systemwith a single-barrel gasoline carburetor Dell'Orto MA16
Ignition systemwith a spark plug fed by a magneto distributor (6V Filso or Magneti Marelli)
Cooling systemair-fed
Lubrication systemsupplied by a premixed fuel-oil mixture (5%)
Clutchwet multiple-plate type
Transmission3-speed gearbox with spur gears


Lambretta 125 C and 125 LC

Realizzazione sito: Pasquale Pillitteri