2009 Vespa S 125 Technical Analysis & Specification Breakdown
Positioned in Vespa's scooter motorcycle lineup, the 2009 Vespa S 125 utilizes a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 62.5 x 48.5 mm (2.5 x 1.9 inches).
On the scales, the S 125 measures 110 kg (243 lbs) dry. 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 1,280 mm (50.4 in) wheelbase engineered for quick, flickable steering geometry. The 8.6-liter (2.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Vespa archive, this model family spans 4 indexed model years from 2008 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
775 mm (30.5 in)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Bore x Stroke62.5 x 48.5 mm (2.5 x 1.9 inches)
Valves/Cylinder2
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
LubricationWet sump
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
ClutchAutomatic twist and go
Performance
ExhaustEuro III
Chassis
Front SuspensionSingle arm with helical spring and dual effect hydraulic single shock absorber
Rear SuspensionCoil spring and dual effect single shock absorber
Wheelbase1280 mm (50.4 inches)
Wheels & Brakes
Front Tyre110/70-11
Rear Tyre120/70-10
Front BrakesSingle disc
Front Brake Ø200 mm (7.9 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø110 mm (4.3 inches)
Dimensions & Weight
Dry Weight110.0 kg (242.5 pounds)
Seat Height775 mm (30.5 inches) If adjustable, lowest setting.
Overall Length1801 mm (70.9 inches)
Overall Width785 mm (30.9 inches)
Fuel Capacity8.60 litres (2.27 US gallons)
Other
StarterElectric & kick
Color OptionsRosso Dragon, Nero Lucido, Montebianco
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
