At the heart of the 2012 Kymco K-XCT 125 scooter motorcycle, Kymco utilizes a 124.8 cc (7.6 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 15 HP (10.9 kW) at 9,000 rpm while maximum torque reaches 11 Nm (8.1 lb-ft) at 8,550 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 120.2 HP per liter and a 450 rpm working window between peak torque (8,550 rpm) and peak power (9,000 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the K-XCT 125 measures 162.5 kg (358 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (10.83 kg per horsepower). Rider ergonomics and chassis geometry center around a 810 mm (31.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,450 mm (57.1 in) wheelbase engineered for balanced agility and highway composure. The 12.5-liter (3.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
120.2 HP/L
Power-to-Weight
0.09 HP/kg (10.83 kg/HP)
Power Band Window
8,550–9,000 rpm
Standover Height
810 mm (31.9 in)
Engine
Displacement124.8 ccm (7.62 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power15.0 HP (10.9 kW)) @ 9000 RPM
Torque11.0 Nm (1.1 kgf-m or 8.1 ft.lbs) @ 8550 RPM
Compression11.7:1
Bore x Stroke54.0 x 54.8 mm (2.1 x 2.2 inches)
Fuel SystemInjection
Fuel ControlOverhead Cams (OHC)
IgnitionC.D.I.
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineCVT
Chassis
Front SuspensionTelescopic fork
Rear SuspensionDual shocks
Wheelbase1450 mm (57.1 inches)
Ground Clearance140 mm (5.5 inches)
Wheels & Brakes
Front Tyre120/80-14
Rear Tyre150/70-13
Front BrakesSingle disc. Wavy
Front Brake Ø240 mm (9.4 inches)
Rear BrakesSingle disc
Rear Brake Ø200 mm (7.9 inches)
WheelsAluminium
Dimensions & Weight
Dry Weight162.5 kg (358.3 pounds)
Power/Weight0.0923 HP/kg
Seat Height810 mm (31.9 inches) If adjustable, lowest setting.
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.
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.
