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MotoLibrary Score
35/100Commuter
Power/Weight
0.08 hp/kg
Top Speed
79 km/h
Engine
150 ccm
Technical Overview
1956 Lambretta 150D Series 3 Technical Analysis & Specification Breakdown
Built around Lambretta's scooter motorcycle platform, the 1956 Lambretta 150D Series 3 pairs a 150 cc (9.2 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 6 HP (4.4 kW) at 4,750 rpm, transferring power to the rear wheel through a 3-speed gearbox. With a specific output of 40 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 150D Series 3 measures 74.8 kg (165 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.47 kg per horsepower).
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.
