LI 150 Silver Special

1965 Lambretta LI 150 Silver Special Technical Analysis & Specification Breakdown

Positioned in Lambretta's scooter motorcycle lineup, the 1965 Lambretta LI 150 Silver Special pairs a 148 cc (9 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. 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 Silver Special measures 105 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.65 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,290 mm (50.8 in) wheelbase engineered for quick, flickable steering geometry. The 7.19-liter (1.9 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 85 km/h (53 mph).

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.