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Scooter · 1968

LI 125 Special

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MotoLibrary Score
35 /100 Commuter
Power/Weight
0.07 hp/kg
Top Speed
81 km/h
Engine
123 ccm

1968 Lambretta LI 125 Special Technical Analysis & Specification Breakdown

Engineered by Lambretta for the scooter motorcycle segment, the 1968 Lambretta LI 125 Special relies on a 123 cc (7.5 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 7.1 HP (5.2 kW) at 5,550 rpm. With a specific output of 57.7 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 125 Special measures 103.9 kg (229 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (14.63 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 5 indexed model years from 1965 to 1969, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
57.7 HP/L
Power-to-Weight
0.07 HP/kg (14.63 kg/HP)
Engine
Displacement 123.0 ccm (7.51 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 7.1 HP (5.2 kW)) @ 5550 RPM
Compression 8.0:1
Bore x Stroke 52.0 x 58.0 mm (2.0 x 2.3 inches)
Fuel System Carburettor. DellÓrto
Cooling Air
Performance
Top Speed 80.5 km/h (50.0 mph)
Chassis
Wheelbase 1290 mm (50.8 inches)
Wheels & Brakes
Front Tyre 3.50-10
Rear Tyre 3.50-10
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 103.9 kg (229.0 pounds)
Power/Weight 0.0684 HP/kg
Overall Height 1060 mm (41.7 inches)
Overall Length 1825 mm (71.9 inches)
Overall Width 710 mm (28.0 inches)
Other
Starter Kick
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Rider Profile

Who Is This Bike For?

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Beginner
A2 license compatible, manageable power.
🏙️
Best For
City & Commuting
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Handling
Very lightweight — easy to handle
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