KTM Duke 250 2024AttributeYamaha RX100
249Displacement (cc)98
30 hpMaximum Power11 PS @ 7500 rpm
24 NmMaximum Torque10.39 Nm @ 6500 rpm
30 hpPeak Power11.0 HP (11.0 PS) @ 7500 rpm
1Number of Cylinders1
DOHCValve ConfigurationReed Valve (Two-Stroke)
4Valves Per CylinderNot Applicable (Two-Stroke)
72 mmBore50.0 mm (International Spec)
61.1 mmStroke50.0 mm (International Spec)
72 x 61.1 mmBore x Stroke50.0 mm x 50.0 mm
12.6:1Compression Ratio6.7:1
Liquid cooledCooling SystemAir Cooled
Fuel injectionFuel Supply SystemCarburetor (Mikuni VM20)
DigitalIgnition SystemCDI (later models) / Point Ignition (early models)
Single-cylinderEngine LayoutStandard
SAE 10W50Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
10,000 kmValve Adjustment Interval—
Electric startStarting SystemKick Start
YesEngine Kill SwitchNo
0.176 hp/kgPower-to-Weight RatioNot Available (Old Model)
Not specifiedPower Consumption1.3 Litres (Gearbox/Transmission Oil)
Not applicableMotor Power10.5 Litres (including reserve)
BS6Emission Standard35−40 km/L (User Reported)
12VBattery Power105−110 km/h (Factory/Tuned)
YesPower Mode IndicatorN/A (Known for fast acceleration in its class)