Model LD 150

  • Ld 150

The Lambretta model LD 150.

Technical Specification

Model LD 150
Amount Produced 110186
Production Dates November 1954 – January 1957
Frame Prefix 150LD
Engine Prefix 150LD
Frame Starting Number 105001
Engine Starting Number 105001
Homologation 448
Engine 148cc, two stroke, 57x58mm
Power and Rate 6hp at 4750rpm
Compression Ratio 1:6.5
Head and Cylinder Aluminium and cast iron
Engine Cooling Forced Air
Ignition Filso, Nassetti or Marelli. Filso or Marelli magneto
Spark Advance 24' – 26' 31.4 – 34 mm on the circumference of the flywheel.
Point Setting 29.6 – 32 mm on the Filso magneto 0140 or .40-.50 mm
Carburetor dell'orto MA19 B4.
Choke 19mm
Slide 75
Needle D3
Atomiser 255b
Main Jet 72
Pilot Jet 40
Starter 55
Float 6.5 grams
Starter Pedal
Crankcase oil Mobil Oil A 500cc
Transmission Oil Mobil Lube GX140 100 grams
Oil / Gas Mix 6%
Clutch Multiple discs in oil bath
Gears 3 speed with hand shifter
1st 1: 12,9 – 30,9 kmh
2nd 1: 7,5 – 53,2 kmh
3rd 1: 4,75 – 84 kmh
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 pirelli or ceat
Tire Presure Front .7-8 ATM, rear 1.75 ATM
Brakes Drum
Dry Weight 85kg
Km Per Gallon 1lt per 50km
Fuel Capacity 6.4lt plus .7lt reserve
Max Speed 75-80kmh
Initial Price 150,000 Italian Lira
Electrical System 6 volt or 2nd version 6 volt with battery
Sparkplug Bosch 225 short thread
wheel Base 1281mm
Maximum Length 1770mm
Ground Clearance 95mm
Maximum Seat Hight 770mm
Minimum Turning Radius 1500mm
Maximum Width 740mm
Colour Light Grey 8012 (Option available in 1956 only)
Sand Beige 8029
Engine Colour Fiat 690