Hero CDAttributeYamaha RX100
97.2Displacement (cc)98
7.7 bhp @ 7500 rpmMaximum Power11 PS @ 7500 rpm
7.55 Nm @ 6000 rpmMaximum Torque10.39 Nm @ 6500 rpm
7.7 HPPeak Power11.0 HP (11.0 PS) @ 7500 rpm
1Number of Cylinders1
SOHCValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
50 mmBore50.0 mm (International Spec)
49.5 mmStroke50.0 mm (International Spec)
50.0 x 49.5 mmBore x Stroke50.0 mm x 50.0 mm
9.9:1Compression Ratio6.7:1
Air CooledCooling SystemAir Cooled
CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
CDIIgnition SystemCDI (later models) / Point Ignition (early models)
Single cylinder, 4-strokeEngine LayoutStandard
Kick Start OnlyStarting SystemKick Start
NoEngine Kill SwitchNo
~0.072 HP/kgPower-to-Weight RatioNot Available (Old Model)
BS4 / BS6 (varies by model year)Emission Standard35−40 km/L (User Reported)
NoPower Mode IndicatorN/A (Known for fast acceleration in its class)
—Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
—Power Consumption1.3 Litres (Gearbox/Transmission Oil)
—Motor Power10.5 Litres (including reserve)
—Battery Power105−110 km/h (Factory/Tuned)