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MotoLibrary Score
37/100Commuter
Power/Weight
0.07 hp/kg
Top Speed
101 km/h
Engine
148 ccm
Technical Overview
1969 Lambretta GP 150 Technical Analysis & Specification Breakdown
Engineered by Lambretta for the scooter motorcycle segment, the 1969 Lambretta GP 150 features a 148 cc (9 cu in) air-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 8.7 HP (6.4 kW) at 6,300 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 58.8 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 GP 150 measures 117.9 kg (260 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (13.55 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 6.74-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 101 km/h (63 mph).
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.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
