Indian ChieftainAttributeYamaha RX100
1811Displacement (cc)98
75.00Maximum Power11 PS @ 7500 rpm
119 ft-lbs at 3000 rpmMaximum Torque10.39 Nm @ 6500 rpm
2Number of Cylinders1
OHV; PushrodValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
101 mmBore50.0 mm (International Spec)
113 mmStroke50.0 mm (International Spec)
9.5:1Compression Ratio6.7:1
Air / Oil CooledCooling SystemAir Cooled
Closed loop fuel injection / 54 mm boreFuel Supply SystemCarburetor (Mikuni VM20)
ElectricStarting SystemKick Start
—Peak Power11.0 HP (11.0 PS) @ 7500 rpm
—Bore x Stroke50.0 mm x 50.0 mm
—Ignition SystemCDI (later models) / Point Ignition (early models)
—Engine LayoutStandard
—Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
—Engine Kill SwitchNo
—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)