2011 Piaggio Liberty 50 Technical Analysis & Specification Breakdown
Engineered by Piaggio for the scooter motorcycle segment, the 2011 Piaggio Liberty 50 pairs a 49.4 cc (3 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 4.2 HP (3 kW) at 6,500 rpm while maximum torque reaches 4.5 Nm (3.3 lb-ft) at 8,000 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 40.0 x 39.3 mm (1.6 x 1.5 inches) with a 10.3:1 compression ratio.
On the scales, the Liberty 50 measures 95 kg (209 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 775 mm (30.5 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,330 mm (52.4 in) wheelbase engineered for quick, flickable steering geometry. The 6-liter (1.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Piaggio archive, this model family spans 4 indexed model years from 2008 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
775 mm (30.5 in)
Engine
Displacement49.4 ccm (3.01 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsHI-PER 2
Power4.2 HP (3.0 kW)) @ 6500 RPM
Torque4.5 Nm (0.5 kgf-m or 3.3 ft.lbs) @ 8000 RPM
Compression10.3:1
Bore x Stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Fuel SystemCarburettor
LubricationWet sump
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
ClutchDry automatic centrifugal type
DrivelineAutomatic twist and go.
Performance
Emission DetailsEuro 2
ExhaustEuro 2
Chassis
Frame TypeSteel tubes
Front SuspensionTelescopic fork
Front Travel76 mm (3.0 inches)
Rear SuspensionHydraulic monoshock,
Rear Travel83 mm (3.3 inches)
Wheelbase1330 mm (52.4 inches)
Wheels & Brakes
Front Tyre90/80-16
Rear Tyre110/80-14
Front BrakesSingle disc. Calliper with opposed pistons
Front Brake Ø220 mm (8.7 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø140 mm (5.5 inches)
Dimensions & Weight
Weight incl.95.0 kg (209.4 pounds)
Seat Height775 mm (30.5 inches) If adjustable, lowest setting.
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.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
