Model LD 125
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Ld 125
The Lambretta model LD 125.
Technical Specification
| Model | LD 125 |
| Amount Produced | 110334 |
| Production Dates | December 1951 – October 1955 |
| Frame Prefix | 125LD |
| Engine Prefix | 125LD |
| Frame Starting Number | 000001 |
| Engine Starting Number | 240000 and 420000 (not definitive as the numbers follwed consecutively from the LC125) |
| 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 MA16 B2 / Dell'orto MA 18 B3 / enith 18 MA |
| Choke | 18mm |
| Slide | B2: 50 / B3: 75 |
| Needle | D1 |
| Atomiser | 255b |
| Main Jet | B2: 75 / B3: 70 / MA: 102 |
| Pilot Jet | B2: 40 / B3: 45 |
| Starter | 50 |
| Float | 6.5 grams |
| Starter | Pedal or optional electric starter |
| 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 | 1: 12,9 – 27,6 kmh |
| 2nd | 1: 7,5 – 47,5 kmh |
| 3rd | 1: 4,75– 75 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 | 5.6lt plus .7lt reserve |
| Max Speed | 70-75kmh |
| Initial Price | 166,000 Italian Lira |
| Electrical System | 6 volt |
| Sparkplug | Bosch 225 short thread |
| wheel Base | 1281mm |
| Maximum Length | 1770mm |
| Ground Clearance | 740mm |
| Maximum Seat Hight | 110mm |
| Minimum Turning Radius | 1500mm |
| Maximum Width | 740mm |
| Colour | Olive Green 8021 |
| Sand Beige 8029 from 1953 only available in this colour | |
| Light Chamois 8055 | |
| Engine Colour | Fiat 690 |
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