Model D 150
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D 150
The Lambretta model D 150.
Technical Specification
| Model | D 150 |
| Amount Produced | 54593 |
| Production Dates | October 1954 – December 1956 |
| Frame Prefix | 150D |
| Engine Prefix | 150D |
| Frame Starting Number | 05001 |
| Engine Starting Number | 05001 |
| Homologation | 403 |
| 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 – 29,3 kmh |
| 2nd | 1: 7,5 – 50,6 kmh |
| 3rd | 1: 4,75 – 80 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 | 75kg |
| Km Per Gallon | 1lt per 50km |
| Fuel Capacity | 5.6lt plus .7lt reserve |
| Max Speed | 75-80kmh |
| Initial Price | 130,000 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 | 115mm |
| Maximum Seat Hight | 760mm |
| Minimum Turning Radius | 1500mm |
| Maximum Width | 740mm |
| Colour | Light Grey 8012 (Option available in 1956 only) |
| Sand Beige 8029 | |
| Engine Colour | Fiat 690 |
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