Lambretta 125F: history, specs, pictures

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Lambretta 125F
Manufacturer
Production 1954 - 1955
Engine
single cylinder, two-stroke
Bore / Stroke 52.0mm x 58.0mm
Top Speed 43 mph (70 km/h)
Horsepower 3.75 HP (2.8 KW) @ 4500RPM
Fuel System carburetor. dellórto mu 14b1
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 132.06 pounds (59.9 Kg) (dry),
Manuals Service Manual


The Lambretta 125F was a single cylinder, two-stroke standard produced by Lambretta between 1954 and 1955. It could reach a top speed of 43 mph (70 km/h). Claimed horsepower was 3.75 HP (2.8 KW) @ 4500 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 132.06 pounds (59.9 Kg).