Lambretta Li 125 Series 1

  • Li 125 Series 1

Lambretta Li 125 Series 1.

Technical Specification

Model LI 125 Series 1
Amount Produced 47747
Production Dates June 1958 – October 1959
Frame Prefix 125LI
Engine Prefix 125LI
Frame Starting Number 500001
Engine Starting Number 500001
Homologation 1009/58/O
Engine 123cc, two stroke, 52x58mm
Power and Rate 5.2hp at 5200rpm
Compression Ratio 1:7
Head and Cylinder Aluminium and cast iron
Engine Cooling Forced Air
Ignition Filso,Ducati or Marelli magneto
Spark Advance 22' – 24' 32 - 33 mm on the circumference of the magneto.
Point Setting .35-.45 mm
Carburetor dell'orto MA 18 BS5
Choke 18mm
Slide 50
Needle D16
Atomiser 260b
Main Jet 92
Pilot Jet 35
Starter 55
Float 6.5 grams
Starter Pedal
Crankcase oil Agip Energol SAE 90 600cc
Transmission Oil
Oil / Gas Mix 4%
Clutch Multiple discs in oil bath
Gears 4 speed with hand shifter
1st 1: 17,37
2nd 1: 10,73
3rd 1: 7,47
4th 1: 5,65 – 79,5 kmh
Primary Transmission Duplex chain
Secondary Transmission
Frame Steel tubing of strong 1290mm sections
Front Suspension Oscilating conecting rods
Rear Suspension Torsion bar attached to motor with a single shock
Wheels Dismountable wheels
Tires 3.50 x 10 pirelli or ceat
Tire Presure Front .9 ATM, rear 1.25 ATM
Brakes Drum
Dry Weight 105kg
Km Per Gallon 2.1lts per 100km
Fuel Capacity 8.5lt
Max Speed 75-77kmh
Initial Price 132,000 Italian Lira
Electrical System 6 volt
Sparkplug Bosch 225 long thread
wheel Base 1300mm
Maximum Length 1830mm
Ground Clearance 145mm
Maximum Seat Hight 777mm
Minimum Turning Radius 1500mm
Maximum Width 720mm
Colour Dawn Grey 8019
Dark Steel Grey 8040 (Side panels only on version 3)