Lambretta LJ50: history, specs, pictures

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Lambretta LJ50
Manufacturer
Also called LJ 50
Production 2013
Engine
single cylinder, four-stroke
Bore / Stroke 38.0mm x 43.5mm
Horsepower 4.16 HP (3.1 KW) @ 8000RPM
Torque 3.1 ft/lbs (4.2 Nm) @ 6500RPM
Fuel System carburetor
Transmission Gear box: automatic
Final Drive: belt
Suspension Front: hydraulic telescopic fork with ø 35 mm stanchions
Rear: hydraulic single damper double effect
Brakes Front: single disc
Rear: single disc
Front Tire 3.00-12
Rear Tire 3.50-12
Length 74.8 inches (1900 mm)
Width 25.98 inches (660 mm)
Height 52.36 inches (1330 mm)
Seat Height 29.53 inches (750 mm)
Weight 191.8 pounds (87.0 Kg) (dry),
Manuals Service Manual


The Lambretta LJ50 was a single cylinder, four-stroke standard produced by Lambretta in 2013. Max torque was 3.1 ft/lbs (4.2 Nm) @ 6500 RPM. Claimed horsepower was 4.16 HP (3.1 KW) @ 8000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 38.0mm bore x 43.5mm stroke result in a displacement of just 49.5 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a automatic transmission.

Chassis[edit | edit source]

It came with a 3.00-12 front tire and a 3.50-12 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a hydraulic telescopic fork with ø 35 mm stanchions while the rear was equipped with a hydraulic single damper double effect. The bike weighed just 191.8 pounds (87.0 Kg).