The Aprilia STX 125, a motorcycle born from Italy’s rich two-wheeled heritage, embodies the perfect blend of performance and accessibility. Its 124cc, 2-stroke engine delivers an impressive power-to-weight ratio, making it an exciting ride for both novice and experienced riders alike.
With a focus on agility and responsiveness, the STX 125 is designed to provide an engaging riding experience that belies its modest displacement. The bike’s nimble handling and precise steering make it an ideal choice for navigating twisty roads or urban environments.
The result is a motorcycle that is both exhilarating and easy to manage, offering a unique combination of excitement and practicality. As the perfect entry-point into the world of motorcycling, the Aprilia STX 125 sets a new standard for its class with its exceptional performance and thrilling ride quality.
Key Specifications
Engine Type
Two stroke, single cylinder
Engine Capacity
124cc / 7.6 cu in
Max Power
15.7 kw / 21 hp
Seat Height
31.5 inches / 800 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Aprilia STX 125
Year
1985
Engine
Engine Type
Two stroke, single cylinder
Displacement
124cc / 7.6 cu in
Bore x Stroke
52.8 mm x 57mm
Compression Ratio
14.5:1
Max Horsepower
15.7 kw / 21 hp
Engine Management System
26 Dell’Orto PHBH AS
Cooling System
Liquid cooled
Performance
Top Speed
135 km/h / 83.9 mph
*n/a – information not provided by manufacturer
Transmission
Clutch
Multi-disc oil bath
Gearbox
6 Speed
Final Drive
Chain
Electrical & Electronics System
Starter
Kick
Chassis & Suspension
Frame Type
Double cradle tubular steel
Front Suspension
Marzocchi 32 mm, non-adjustable
Rear Suspension
Swingarm with single shock absorber
Rake
26.5
Trail
86 mm / 3.4 in
Wheels & Brakes
Front Tire Size
100-90 -16
Rear Tire Size
100-90 -18
Front Brakes
Single 240 mm disc
Rear Brakes
Single 230 mm disc
Dimension & Weights
Seat Height
31.5 inches / 800 mm
Dry Weight
104 kg / 229 lbs
Know someone who’d find this useful? Share this page with a friend, your riding club or your favourite motorcycle community.
Explore our collection of Aprilia motorcycles for detailed specifications and model information. Or browse all motorcycle manufacturers.
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
