Model LD 125 '57

  • Ld 125 '57

The Lambretta model LD 125 '57.

Technical Specification

Model LD 125 '57
Amount Produced 44665
Production Dates January 1956 – July 1958
Frame Prefix 125LD
Engine Prefix 125LD
Frame Starting Number 522001 (not definitive)
Engine Starting Number 522001 (not definitive)
Homologation Unknown
Engine 123cc, two stroke, 52x58mm
Power and Rate 5hp at 4600rpm
Compression Ratio 1:6.3
Head and Cylinder Aluminium and cast iron
Engine Cooling Forced Air
Ignition Filso, Nassetti or Marelli. Filso or Marelli magneto
Spark Advance 24' – 26' 4 – 4.6 mm before TDC
Point Setting .40-.50 mm
Carburetor Dell'orto MA 18 B4
Choke 18mm
Slide 75
Needle D1
Atomiser 255b
Main Jet 70
Pilot Jet 40
Starter 55
Float 6.5 grams
Starter Pedal with helical or optional electric starter
Crankcase oil Agip Energol SAE 30 550 grams
Transmission Oil Agip energol 140 120 – 130 grams
Oil / Gas Mix 6%
Clutch Multiple discs in oil bath
Gears 3 speed with hand shifter
Primary Transmission Gear
Secondary Transmission Shaft
Frame Steel tubing of strong 1281mm sections
Front Suspension Oscilating conecting rods
Rear Suspension torsion bar attached to motor
Wheels Dismountable wheels
Tires 4.00 x 8
Tire Presure Front .8 ATM, rear 1.75 ATM
Brakes Drum
Dry Weight 86kg
Km Per Gallon 1lt per 100km
Fuel Capacity 6.4lt plus .7lt reserve
Max Speed 70-75kmh
Initial Price 135,000 Italian Lira
Electrical System 6 volt
Sparkplug Bosch 225 short thread
wheel Base
Maximum Length
Ground Clearance
Maximum Seat Hight
Minimum Turning Radius
Colour Earth Grey 8041
Engine Colour Fiat 690