1963 Lambretta LI 150 Special Technical Analysis & Specification Breakdown
Engineered by Lambretta for the scooter motorcycle segment, the 1963 Lambretta LI 150 Special utilizes a 148 cc (9 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 8.3 HP (6 kW) at 5,300 rpm. With a specific output of 56.1 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 LI 150 Special measures 104.8 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.63 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,290 mm (50.8 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Lambretta archive, this model family spans 4 indexed model years from 1963 to 1966, 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.
