KTM 50 SXAttributeYamaha RX100
49.9Displacement (cc)98
1Number of Cylinders1
39.5 mmBore50.0 mm (International Spec)
40.7 mmStroke50.0 mm (International Spec)
39.5 x 40.7 mmBore x Stroke50.0 mm x 50.0 mm
Liquid-cooledCooling SystemAir Cooled
Dell'Orto PHBG 19 BS CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
Seletra 2p D36Ignition SystemCDI (later models) / Point Ignition (early models)
KickstarterStarting SystemKick Start
YesEngine Kill SwitchNo
—Maximum Power11 PS @ 7500 rpm
—Maximum Torque10.39 Nm @ 6500 rpm
—Peak Power11.0 HP (11.0 PS) @ 7500 rpm
—Valve ConfigurationReed Valve (Two-Stroke)
—Valves Per CylinderNot Applicable (Two-Stroke)
—Compression Ratio6.7:1
—Engine LayoutStandard
—Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
—Power-to-Weight RatioNot Available (Old Model)
—Power Consumption1.3 Litres (Gearbox/Transmission Oil)
—Motor Power10.5 Litres (including reserve)
—Emission Standard35−40 km/L (User Reported)
—Battery Power105−110 km/h (Factory/Tuned)
—Power Mode IndicatorN/A (Known for fast acceleration in its class)