2019 Ksr TW 125 SM Technical Analysis & Specification Breakdown
Positioned in Ksr's cross - motocross motorcycle lineup, the 2019 Ksr TW 125 SM features a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 10.7 HP (7.8 kW) at 9,000 rpm. With a specific output of 85.6 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the TW 125 SM measures 138 kg (304 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.9 kg per horsepower).
Within MotoLibrary's Ksr archive, this model family spans 3 indexed model years from 2016 to 2021, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
85.6 HP/L
Power-to-Weight
0.08 HP/kg (12.9 kg/HP)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power10.7 HP (7.8 kW)) @ 9000 RPM
Fuel SystemCarburettor
CoolingAir
Transmission
DrivelineCVT
Performance
Fuel Consumption1.90 litres/100 km (52.6 km/l or 123.80 mpg)
Greenhouse Gases44.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission DetailsEuro 4
Chassis
Frame TypeSteel
Front SuspensionTelescopic fork
Rear SuspensionMonoshock
Wheels & Brakes
Front Tyre100/80-17
Rear Tyre130/70-17
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight138.0 kg (304.2 pounds)
Power/Weight0.0778 HP/kg
Other
StarterElectric & kick
Color OptionsWhite, red, Black
Notes
Sold in Algeria, Austria, Belgium, Cyprus, Germany, Greece, Italy, Latvia, Malta, Portugal, Switzerland.
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.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
