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Lambretta (Innocenti) B 125
Descripción
Lambretta B 125
After the success of the model A, Innocenti quickly decided to develop an improved version. This is very much a natural progression of the model A, although the improvements are far from being only superficial. The model B boasts a number of significant technical improvements. The most important is the rear suspension, which gives a much more pleasant ride, especially in conjunction with the larger 8 inch wheels. The scooter is much more stable and also more comfortable due to a revised seating position.
The gearchange was moved from the floorboard to the handlebars and was now controlled by the patented Teleflex cable. The solution with a hand-operated twistgrip- gearchange was continued throughout the production of all subsequent Lambrettas. The other cables are now routed alongside the frame, which greatly enhances servicing. The capacity of the petrol tank was enlarged, too. As with the model A, there are a number of changes during the production run of the model B. For instance, the brakes were improved with the final models, as the pads are no longer liners inside the drum, but mounted to the shoes. Change of brake shoes becomes much easier this way. After
35.014 scooters made, production of the model B ceased in January 1950. All B models were painted in metallic colours.
| Model: Capacity: Production period: Quantity: Production code: 1st frame no.: |
125 B 125 cc 11/48-01/50 35.014 - 00001 |
125 B – 1st version
(up to frame no. 20.000)
Heel-operated brake pedal, internal routed clutch cable, light switch on the headlight (moved to the righthand handlebars for the final 2.000 scooters of the first version), rubbers between tank and toolbox, kickstart with vertical bolt.
125 B – 2nd version
(up to frame no. 40.000)
Brake pedal at the front of the floorboards, externally routed clutch cable, no rubbers between tank and toolbox, kickstart with horizontal pin.
125 B – 3rd version
(up to end of production)
The seating of the rear spring is enlarged in diameter and held by screws. The two large rubber buffers under the toolbox rail disappear.
Original paint (Lechler)
| Rosso Met. 8023 |
 |
| Azzurro Met. 8024 |
 |
| Verde Met. 8025 |
 |
| Bronzo Met. 8053 |
 |
| Vehículo (general) | |
|---|---|
| Modelo: | B 125 |
| Año/s de producción: | 1948, 1949, 1950 |
| N.° de chasis: | 125B |
| Unidades fabricadas: | 35014 |
| Colores: | azurro met (8024), camoscio met (8053), rosso met (8023), verde met (8025) |
| Vehículo dimensiones | |
| Longitud: | 1680 mm |
| Anchura: | 900 mm |
| Altura: | 900 mm |
| Altura al estribo: | 120 mm |
| Distancia entre ejes: | 1250 mm |
| Capacidad depósito combustible: | 6.8 l |
| Reserva incl. (combustible): | 0.8 l |
| Peso (en vacío): | 71 kg |
| Vehículo ruedas | |
| Rueda delantera: | 3.50 - 8 |
| Rueda trasera: | 3.50 - 8 |
| Llanta delantera: | 2.50 - 8 |
| Llanta trasera: | 2.50 - 8 |
| Vehículo frenos | |
| Tipo de freno delantero: | freno de tambor |
| Accionamiento del freno delantero: | mecánico con cables |
| Ø delantero: | 100 mm |
| Tipo de freno trasero: | freno de tambor |
| Accionamiento del freno trasero: | mecánico con cables |
| Ø trasero: | 140 mm |
| Vehículo suspensión | |
| Tipo de suspensión delantera: | solo muelle |
| Tipo de suspensión trasera: | solo muelle |
| Vehículo motor | |
| Cilindrada: | 123 cm³ |
| Carrera: | 58 mm |
| Diámetro: | 52 mm |
| Tipo de motor: | 2 tiempos |
| Número de cilindros: | 1 |
| Tipo de refrigeración: | por aire |
| Potencia (kW): | 3.09 kW |
| Potencia (cv): | 4.2 |
| Revolución por minuto (potencia máx.): | 4400 |
| Compresión: | 1:6 |
| Alimentación: | carburador |
| Carburador: | Dell'Orto MA16 |
| Arranque: | pedal |
| Embrague: | manual |
| Fabricante del motor: | Innocenti |
| Velocidad máx.: | 68 km/h |
| Tipo de motor: | 2 tiempos |
| Norma de emisión: | sin |
| Vehículo motor - encendido | |
| Tipo de encendido: | con platinos |
| Avance de encendido: | 27 |
| Distancia entre contactos: | 0.45 mm |
| Potencia (luz): | 30 W |
| Tensión: | 6 V |
| Bujía: | (NGK) B8HS |
| Vehículo motor - caja de cambios | |
| Caja de cambios: | manual |
| Número de velocidades: | 3 |
| Relación de transmisión 1.a velocidad - 1:: | 9.25 |
| Relación de transmisión 2.a velocidad - 1:: | 6.38 |
| Relación de transmisión 3.a velocidad - 1:: | 4.35 |
| Vehículo líquidos | |
| Carburante: | Super (ROZ 95) |
| Mezcla: | 1:25 |
| Lubricante engranaje: | SAE50 |
| Cantidad lubricante engranaje: | 0.5 l |
| Los clientes buscaron alternativamente | |
|---|---|
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