These are the known mechanical and performance specifications for your 2012 Piaggio MP3 Sport LT 500.
Basic Specs

Engine
Displacement492.70 ccm (30.06 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke94.0 x 71.0 mm (3.7 x 2.8 inches)
Valves/Cylinder4
FuelingInjection
IgnitionElectronic inductive discharge
Exhaust
LubricationWet sump
CoolingLiquid
Drivetrain
GearboxAutomatic
Final DriveBelt
ClutchAutomatic dry centrifugal
Driveline
Performance
Horespower40.00 HP (29.2 kW)
Torque46.50 Nm (4.7 kgf-m or 34.3 ft.lbs)
Top Speed145.0 km/h (90.1 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity12.11 litres (3.20 gallons)
Emissions
Chassis
Frame TypeDouble cradle trellis made if high-strength steel tubes
Rake
Trail
Front SuspensionTilting parallelogram with 4 arms supporting 2 steering tubes.
Front Travel110 mm (4.3 inches)
Rear Suspension2 double acting hydraulic shock absorbers, swing arm.
Rear Travel110 mm (4.3 inches)
Seat
Seat Height785 mm (30.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,150 mm (84.6 inches)
Total Width
Ground Clearance
Wheelbase1,549 mm (61.0 inches)
Dry Weight
Wet Weight245.0 kg (540.1 pounds)
Wheels & Brakes
Front Tire/Tyre120/70-12
Rear Tire/Tyre140/70-14
Front BrakesDouble disc
Front Brake Diameter240 mm (9.4 inches)
Rear BrakesSingle disc
Rear Brake Diameter240 mm (9.4 inches)
WheelsAluminium alloy, black
Comments
Two front wheels. For use with a car driver license in some countries. Combined front and rear brakes with pedal. Extended front wheel distance. Additional lights.