1954 Lambretta 125LD Series 2 Technical Analysis & Specification Breakdown
At the heart of the 1954 Lambretta 125LD Series 2 scooter motorcycle, Lambretta relies on a 125 cc (7.6 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 6.5 HP (4.7 kW) at 4,600 rpm, transferring power to the rear wheel through a 3-speed gearbox. With a specific output of 52 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the 125LD Series 2 measures 84.8 kg (187 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (13.05 kg per horsepower).
Within MotoLibrary's Lambretta archive, this model family spans 4 indexed model years from 1953 to 1956, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
