Model LD 125 Derived

The Lambretta model LD 125 Derived.

Technical Specification

Model	LD 125 Derived
Amount Produced	21331
Production Dates	January 1956 – November 1956
Frame Prefix	125LD
Engine Prefix	125LD
Frame Starting Number	500001
Engine Starting Number	285001
Homologation	222
Engine	123cc, two stroke, 52x58mm
Power and Rate	5hp at 4600rpm
Compression Ratio	1:6.5
Head and Cylinder	Aluminium and cast iron
Engine Cooling	Forced Air
Ignition	Filso or Marelli magneto
Spark Advance	Filso: 32 – 34 mm on the circumference of the flywheel. Marelli: 34 – 36.5 mm
Point Setting	.40-.50 mm
Carburetor	dell'orto MA 18 B3
Choke	18mm
Slide	75
Needle	D1
Atomiser	255b
Main Jet	70
Pilot Jet	45
Starter	50
Float	6.5 grams
Starter	Pedal
Crankcase oil	Mobil Oil A 400 grams
Transmission Oil	Mobil Lube GX140 100 grams
Oil / Gas Mix	5%
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 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
Electrical System	6 volt
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	Sand Beige 8029
Engine Colour	Fiat 690