Lambretta 125D: history, specs, pictures

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Lambretta 125D
Manufacturer
Also called 125D Series 1, 125D Series 2
Production 1951 - 1954
Engine
single cylinder, two-stroke
Bore / Stroke 52.0mm x 58.0mm
Top Speed 45 mph (72 km/h)
Horsepower 4.83 HP (3.6 KW) @ 4600RPM
Fuel System carburetor. dellórto
Ignition contact breaker and points
Transmission Gear box: 3-speed
Clutch: 3 speed- hand changed
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 4-8
Rear Tire 4-8
Weight 154.1 pounds (69.9 Kg) (dry),
Manuals Service Manual


The Lambretta 125D Series 2 was a single cylinder, two-stroke standard produced by Lambretta between 1951 and 1954. It could reach a top speed of 45 mph (72 km/h). Claimed horsepower was 4.83 HP (3.6 KW) @ 4600 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 52.0mm bore x 58.0mm stroke result in a displacement of just 123.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 3-speed transmission. Power was moderated via the 3 speed- hand changed.

Chassis[edit | edit source]

It came with a 4-8 front tire and a 4-8 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The bike weighed just 154.1 pounds (69.9 Kg).