Lambretta A/B/C/D/E/F/J/Lui
LAMBRETTA
C / LC 125 ccm 2T AC '50-'51 125C / 125LC

LAMBRETTA C / LC 125 ccm 2T AC '50-'51 125C / 125LC

Photo from LAMBRETTA C / LC 125 ccm 2T AC '50-'51 125C / 125LC | LAMBRETTA

Overview Lambretta 125 C/LC

Production ran from February 1950 to 1952, during which time almost 130,000 units of the Lambretta C and LC were manufactured and mainly sold on the Italian market. This marked a significant increase in production volume compared to the previous A and B models. Model C was initially offered as a standard variant, but Innocenti soon expanded its range to include the Lambretta LC. This model was the first Innocenti scooter to feature fully covered Legshields and side panels, a design feature that was to characterise all subsequent models. The "L" in the name stood for "Lusso", Italian for "luxury", as the scooter offered riders protection from noise, dirt and the elements.

Lambretta 125 C/LC model history

In contrast to the earlier A and B models, the Model C was characterised by a one-piece tubular frame. The fuel tank was positioned under the Frame, and both the front and optional rear Seat were attached to this central structure. There was still a toolbox behind the rear seat, but this was now attached to the main frame via an oval extension. A distinctive round Light adorned the Handlebar, while the Rear Light, a smaller round unit, was mounted above the licence plate. Suspension at the front was via a trailing arm, and the Model featured Drum Brakes at the front and rear, with a foot-operated rod for the rear brake. There were a variety of Replacement Parts available for the Lambrettas, including speedometers, Horn, spare wheel, Floor Mats and additional protection with retro-fit Legshields to personalise the scooters. A rear Luggage Carrier was particularly popular.

125-lc-2
Lambretta 125 LC


The Lambretta LC offered passengers Footboards at the rear and had a flap on the right-hand side, which made it easier to access the Fuel Tap and Carburettor for cold starts without having to remove the Side Panel Trim. It was considered a "closed model" due to its cover, although it was technically identical to the Model C. One major adaptation concerned the engine cooling; the LC had cooling fins on the flywheel and covers that channelled the cooling air around the Cylinder and flywheel, as the direct cylinder cooling of the C model was not feasible. Unlike the Lambretta C, which had a lunchbox-like toolbox at the rear, the LC had a small toolbox under the Seat for storing tools.

The Engine of the Lambretta 125 C/LC

Although the Engine was similar in design to the previous models(123 cc, direct air cooling), it was now firmly integrated into the Frame, whereby the rear wheel suspension was realised by a Spring, which was compressed by means of an axial rod. The engine output remained at 4.3 hp, and the Lambretta continued to rely on the tried-and-tested MA16 Dellorto Carburettor and the 3-speed manual gearbox, which was still controlled by a Teleflex Wire. The top speed remained unchanged at 70 km/h, despite an increase in weight of ten kilograms compared to the Model 125 B. The principle of direct cylinder cooling, which was made possible by the airstream, was also retained on the Model C.

Used Lambretta 125 C/LC market situation

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The colours of the Lambretta 125 C/LC

By November 1951, production of the Lambretta C had reached a total of 87,500 units, available in the colours green, yellow, (sky) blue and red. Around 42,000 units were produced for the Lambretta LC, which were available in the same colours, whereby red could be replaced by the option of grey.

Colour

Colour name

Colour code

Colour info

rosso-8073-2

Rosso

blau-lc

Blue

himmelblau

Sky blue

camoscio-8011

Camoscio

8011

kaki-oliva-chiaro-8027

Kaki Olivia Chiaro

8027

grigio-accaio-scuro-8040-2

Grey

Model LC

General Information

  • Producer LAMBRETTA
  • Model C / LC
  • Displacement 125 ccm
  • Cycles and cooling 2T / AC
  • Year of construction '50-'51
  • Type 125C / 125LC
  • Built quantity 87501
  • Dimension LAMBRETTA
  • Vehicle type Lambretta A/B/C/D/E/F/J/Lui

Years of production & chassis numbers

  • Year of construction:

Technical data

  • Chassis type: open centre tube steel frame
  • Length: 1730 mm
  • Width: 730 mm
  • Height: 920 mm
  • Seat height: 760 mm
  • Wheelbase: 1240 mm
  • Ground clearance: 140 mm
  • Weight (empty): 70 kg
  • Turning circle: 1500 mm
  • Performance (PS): 4.2 PS
  • Performance (kW): 3.09 kW
  • at rpm: 4400
  • Top speed: 68 km/h
  • Engine type: 2-stroke internal combustion engine
  • Engine manufacturer: Innocenti

Engine - cylinders, clutch & exhaust

  • Displacement: 125 ccm
  • Bore: 52 mm
  • Stroke: 58 mm
  • Number of cylinders: 1
  • Transfer ports: 2
  • Type of cooling: Air
  • Compression: 6:1
  • Starter: Kickstarter
  • Clutch: Multi-disc clutch in oil bath on Input Shaft

Engine - Carburetor

  • Mixture preparation: Carburetor
  • Type of carburetor: Dell'Orto MA 16
  • Main jet: 68-70

Engine - Transmission

  • Type of gearbox: Manual gearstick
  • Number of gears: 3
  • Gear rotation: 1st gear: (13,1)
  • Gear rotation: 2nd gear: (7,00)
  • Transmission: 3rd gear: (4,80)

Engine - Ignition

  • Ignition type: Interruptor ignition
  • Ignition timing: 26 °
  • Battery voltage: 6 V
  • Charging power (ignition): 30 W
  • Spark plug type: NGK B8HS / Bosch W4AC
  • Spark plug thread: short thread

Chassis - tires and rims

  • Front tyre(s): 4.00x8
  • Front rim(s): 2.50x8
  • Rear tyre(s): 4.00x8
  • Rear rim(s): 2.50x8
  • Front tyre pressure: 1,0
  • Rear tyre pressure: 1,75 - 2,5

Chassis - Brakes

  • Brake system: Drum Brake
  • Front brake: Ø inside 100 mm
  • Front brake operation: mechanical with Cable
  • Rear brake: Ø inside 140 mm
  • Rear brake operation: mechanical with Cable

Chassis - steering column & swing arm

  • Front wheel guide: drawn short swing arm
  • Rear wheel guide: Drive set swing arm
  • Front suspension: Springs without Shock Absorber
  • Rear suspension: Suspension strut

Electronics

  • Battery: none
  • Alternator: 6V
  • Headlights: 6V 25/25W BA20d
  • Taillights: 6V 3W Festoon Bulb

Operating materials

  • Fuel tank capacity: 5.6 l
  • Included reserve: 0.7 l
  • Mixing ratio: 1:50
  • Range (approx.): 283 km
  • Gearbox oil: SAE 50
  • Amount of gearbox oil: 0.5 l
  • Fuel consumption: 2.2 l/100km

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