Engineered by Kymco for the scooter motorcycle segment, the 2004 Kymco Activ 125 utilizes a 124.3 cc (7.6 cu in) air-cooled engine layout. In factory specification, peak output is rated at 8.3 HP (6 kW) at 7,500 rpm while maximum torque reaches 9 Nm (6.7 lb-ft) at 4,500 rpm, transferring power to the rear wheel through a 4-speed gearbox. With a specific output of 66.6 HP per liter and a 3,000 rpm working window between peak torque (4,500 rpm) and peak power (7,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Activ 125 measures 108 kg (238 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (13.04 kg per horsepower).
Specific Output
66.6 HP/L
Power-to-Weight
0.08 HP/kg (13.04 kg/HP)
Power Band Window
4,500–7,500 rpm
Engine
Displacement124.30 ccm (7.58 cubic inches)
Engine DetailsSingle cylinder, four-stroke
Power8.28 HP (6.0 kW)) @ 7500 RPM
Torque9.02 Nm (0.9 kgf-m or 6.7 ft.lbs) @ 4500 RPM
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.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
