Model LD 125 Derived

  • 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
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