Yamaha BoltAttributeYamaha RX100
942Displacement (cc)98
8.2 kg-m (59.3 ft-lb) @ 3,000 rpmMaximum Torque10.39 Nm @ 6500 rpm
2Number of Cylinders1
SOHCValve ConfigurationReed Valve (Two-Stroke)
4Valves Per CylinderNot Applicable (Two-Stroke)
85.0 mmBore50.0 mm (International Spec)
83.0 mmStroke50.0 mm (International Spec)
85.0 mm x 83.0 mmBore x Stroke50.0 mm x 50.0 mm
9.0:1Compression Ratio6.7:1
Air-cooledCooling SystemAir Cooled
Fuel injection (35 mm dual bore throttle body)Fuel Supply SystemCarburetor (Mikuni VM20)
TCI (Transistor Controlled Ignition)Ignition SystemCDI (later models) / Point Ignition (early models)
25,000 kmValve Adjustment Interval—
ElectricStarting SystemKick Start
—Maximum Power11 PS @ 7500 rpm
—Peak Power11.0 HP (11.0 PS) @ 7500 rpm
—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)