Positioned in KSR's scooter motorcycle lineup, the 2017 KSR Vertigo 125 relies on a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 9.7 HP (7.1 kW) at 8,000 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 77.6 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 Vertigo 125 measures 105 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (10.82 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,300 mm (51.2 in) wheelbase engineered for quick, flickable steering geometry. The 5.5-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
77.6 HP/L
Power-to-Weight
0.09 HP/kg (10.82 kg/HP)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power9.7 HP (7.1 kW)) @ 8000 RPM
Fuel SystemCarburettor
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineCVT
Chassis
Frame TypeSteel
Front SuspensionTelescopic fork
Rear SuspensionMonoshock
Wheelbase1300 mm (51.2 inches)
Wheels & Brakes
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight105.0 kg (231.5 pounds)
Power/Weight0.0920 HP/kg
Overall Height1140 mm (44.9 inches)
Overall Length1895 mm (74.6 inches)
Overall Width720 mm (28.3 inches)
Fuel Capacity5.50 litres (1.45 US gallons)
Other
StarterElectric & kick
Color OptionsWhite, hazelnut, metallic grey, black
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.
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.
