User Rating: /5 · No user ratings yet✓ Your rating was saved
MotoLibrary Score
32/100Commuter
Power/Weight
0.04 hp/kg
Top Speed
63 km/h
Torque
4 Nm
Engine
49 ccm
Technical Overview
2009 Vespa LX 50 Navy Technical Analysis & Specification Breakdown
At the heart of the 2009 Vespa LX 50 Navy scooter motorcycle, Vespa 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 8,750 rpm while maximum torque reaches 3.5 Nm (2.6 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 39.1 x 41.4 mm (1.5 x 1.6 inches).
On the scales, the LX 50 Navy measures 98 kg (216 lbs) dry. The 8.5-liter (2.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 63 km/h (39 mph).
Power Band Window
6,500–8,750 rpm
Engine
Displacement49.4 ccm (3.01 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power4.2 HP (3.0 kW)) @ 8750 RPM
Torque3.5 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6500 RPM
Bore x Stroke39.1 x 41.4 mm (1.5 x 1.6 inches)
Valves/Cylinder2
Fuel SystemInjection
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionElectric and kick start
LubricationWet sump,
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Performance
Top Speed62.8 km/h (39.0 mph)
ExhaustEuro II
Chassis
Front SuspensionSingle arm with helical spring and dual effect hydraulic single shock absorber
Rear SuspensionCoil spring and dual effect single shock absorber
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.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
