Model LD 150 '57

The Lambretta model LD 150 '57.

Technical Specification

Model	LD 150 '57
Amount Produced	113853
Production Dates	January 1957 – July 1958
Frame Prefix	150LD
Engine Prefix	150LD
Frame Starting Number	208001
Engine Starting Number	220001
Homologation	Unknown
Engine	148cc, two stroke, 57x58mm
Power and Rate	6hp at 4600rpm
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' 4 – 4.6 mm before TDC
Point Setting	.40-.50 mm
Carburetor	Dell'orto MA 19 B4
Choke	19mm
Slide	75
Needle	D1
Atomiser	255b
Main Jet	75
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
1st
2nd
3rd
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 1.00 ATM, rear 1.90 ATM
Brakes	Drum
Dry Weight	90kg
Km Per Gallon	1lt per 100km
Fuel Capacity	6.4lt plus .7lt reserve
Max Speed	75-80kmh
Initial Price	150,000 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
Two Tone Colour Options	Maroon 8020
	English Blue 8031
	Emerald Green 8051
	Tirreno Brasil C Blue (Fiat) 0401
Engine Colour	Fiat 690