Lambretta Serie 1/2
LAMBRETTA
LI 125 Serie 2 125 ccm 2T AC 1959-1961 125LI

LAMBRETTA LI 125 Series 2 125 cc 2T AC 1959-1961 125LI

Photo from LAMBRETTA LI 125 Series 2 125 cc 2T AC 1959-1961 125LI | LAMBRETTA

Overview Lambretta LI 125 & 150 Series 2

In October 1959, the Lambretta LI Series 2 was launched, accompanied by advertising slogans based on the proverbial "Lambrettability". This paved the way for Innocenti's next great commercial success, with the Series 2 becoming one of the best-selling models of all time with 270,000 units sold.

Model history Lambretta LI 125 & 150 Series 2

The most striking difference between the models is the integration of the Headlight Unit into the Handlebar. The Li 125 comes with a single seat as standard, unlike the Li 150, which also offers a seat for the passenger. Replacement Parts included both a rear Single Saddle and a double seat. A glance at the step-through also reveals differences in displacement: the Li 125 features aluminium rails with a waffle pattern, while the Li 150 has aluminium rails with grey rubber inserts and End Pieces for the Floor Runners.
Both the Rear Light and the horn grille underwent a change during the course of production; the Rear Light was made larger. The Rear Light Gasket remained white, and apart from the black Stand Feet and the Kickstart Lever Rubber, the rubber parts remained grey.

The Engine of the Lambretta LI 125 & 150 Series 2

A few fine adjustments were made to the Engine, including the installation of a longer Cylinder and matching Piston. In addition, all models are equipped with an Air Intakes for the Carburettor, which was already used on the later Series 1 version.

Situation used market Lambretta LI 125 & 150 Series 2

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The colours of the Lambretta LI 125 & 150 Series 2:

Colour

Colour name

Colour code

Colour info

grigio-chiaro-8019

Grigio Chiaro

8019

Frame

grigio-accaio-scuro-8040

Grigio Accaio Scuro

8040

Side Panels

General Information

  • Producer LAMBRETTA
  • Model LI 125 Serie 2
  • Displacement 125 ccm
  • Cycles and cooling 2T / AC
  • Year of construction 1959-1961
  • Type 125LI
  • Chassis number (from/to) 700001-&gt
  • Built quantity 113731
  • Dimension LAMBRETTA
  • Vehicle type Lambretta Serie 1/2

Years of production & chassis numbers

  • Year of construction:

Technical data

  • Chassis type: open centre tube steel frame
  • Chassis number position: Centre tube Frame under Cover
  • Length: 1825 mm
  • Width: 710 mm
  • Height: 1060 mm
  • Seat height: 785 mm
  • Wheelbase: 1290 mm
  • Ground clearance: 165 mm
  • Weight (empty): 104 kg
  • perm. total weight: 260 kg
  • Performance (PS): 5.2 PS
  • Performance (kW): 3.82 kW
  • at rpm: 5200
  • Top speed: 79.5 km/h
  • Engine type: 2-stroke internal combustion engine
  • Engine manufacturer: Innocenti
  • Engine number: 125LI
  • position of engine number: right-hand side Engine in the area of the switching scale

Engine - cylinders, clutch & exhaust

  • Displacement: 123 ccm
  • Bore: 52 mm
  • Stroke: 58 mm
  • Number of cylinders: 1
  • Transfer ports: 2
  • Type of cooling: Air
  • Compression: 7:1
  • Starter: Kickstarter
  • Clutch: Multi-disc clutch in oil bath on Input Shaft
  • Clutch type: Ø 120 mm, 4 Clutch Friction Plates, 5 Springs

Engine - Carburetor

  • Mixture preparation: Carburetor
  • Type of carburetor: Dell'Orto MA 18 - BS 5
  • Main jet: 93
  • Mixing tube: 260 B
  • Idle jet: 35
  • Choke jet: 55

Engine - Transmission

  • Type of gearbox: Manual gearstick
  • Number of gears: 4
  • Gear rotation: 1st gear: 9:51 Z (5,67)
  • Gear rotation: 2nd gear: 12:42 Z (3,50)
  • Transmission: 3rd gear: 16:39 Z (2,44)
  • Transmission: 4th gear: 19:35 Z (1,84)
  • Gear rotation: Total: im 4. Gang: 5,65
  • Transmission: Primary: 15:46 (3,07)

Engine - Ignition

  • Ignition type: Interruptor ignition
  • Ignition timing: 23 °
  • Battery voltage: 6 V
  • Charging power (ignition): 30 W
  • Spark plug type: NGK B7ES Bosch W5CC
  • Spark plug thread: long thread

Chassis - tires and rims

  • Front tyre(s): 3.50x10
  • Front rim(s): 2.10x10
  • Rear tyre(s): 3.50x10
  • Rear rim(s): 2.10x10
  • Front tyre pressure: 1,2
  • Rear tyre pressure: 2,0-2,4

Chassis - Brakes

  • Brake system: Drum Brake
  • Front brake: Ø inside 150 mm lining width: 25 mm
  • Front brake operation: mechanical with Cable
  • Rear brake: Ø inside 150 mm lining width: 25 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 inside
  • Rear suspension: Shock Absorber L 305 mm, integrated Springs

Electronics

  • Alternator: 6V 27W, swing light magneto ignition
  • Headlights: 12V 25/25W BA20d
  • Parking light: 6V 10W
  • Speedometer light: 6V 2.5W
  • Taillights: 6V 3W BAY15d
  • Brake lights: 6V 15W BAY15d
  • Horn: 6V AC

Operating materials

  • Fuel tank capacity: 8.5 l
  • Included reserve: 0.75 l
  • Mixing ratio: 1:50
  • Range (approx.): 390 km
  • Gearbox oil: SAE 90
  • Amount of gearbox oil: 0.7 l
  • Fuel consumption: 2.1 l/100km

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