Honda CB 250 KAttributeYamaha RX100
247Displacement (cc)98
24 hpMaximum Power11 PS @ 7500 rpm
21 NmMaximum Torque10.39 Nm @ 6500 rpm
66 mmBore50.0 mm (International Spec)
60 mmStroke50.0 mm (International Spec)
66 x 60 mmBore x Stroke50.0 mm x 50.0 mm
9.0:1Compression Ratio6.7:1
Air-cooledCooling SystemAir Cooled
CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
TransistorizedIgnition SystemCDI (later models) / Point Ignition (early models)
Single-cylinderEngine LayoutStandard
SAE 20W-50Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
Kick startStarting SystemKick Start
YesEngine Kill SwitchNo
0.115 hp/kgPower-to-Weight RatioNot Available (Old Model)
—Peak Power11.0 HP (11.0 PS) @ 7500 rpm
—Number of Cylinders1
—Valve ConfigurationReed Valve (Two-Stroke)
—Valves Per CylinderNot Applicable (Two-Stroke)
—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)