Hero DuetAttributeYamaha RX100
110Displacement (cc)98
8.31Maximum Power11 PS @ 7500 rpm
8.30Maximum Torque10.39 Nm @ 6500 rpm
5.75Peak Power11.0 HP (11.0 PS) @ 7500 rpm
1Number of Cylinders1
SOHCValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
50Bore50.0 mm (International Spec)
56.5Stroke50.0 mm (International Spec)
50 x 56.5Bore x Stroke50.0 mm x 50.0 mm
9.0:1Compression Ratio6.7:1
AirCooling SystemAir Cooled
CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
Transistorized CoilIgnition SystemCDI (later models) / Point Ignition (early models)
Single-cylinderEngine LayoutStandard
10W30Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
10000Valve Adjustment Interval—
Electric and KickStarting SystemKick Start
YesEngine Kill SwitchNo
0.069Power-to-Weight RatioNot Available (Old Model)
BS4Emission Standard35−40 km/L (User Reported)
—Power Consumption1.3 Litres (Gearbox/Transmission Oil)
—Motor Power10.5 Litres (including reserve)
—Battery Power105−110 km/h (Factory/Tuned)
—Power Mode IndicatorN/A (Known for fast acceleration in its class)