Roadmaster DelightAttributeYamaha RX100
98.21Displacement (cc)98
6.00Maximum Power11 PS @ 7500 rpm
6.50Maximum Torque10.39 Nm @ 6500 rpm
6.0 HPPeak Power11.0 HP (11.0 PS) @ 7500 rpm
1Number of Cylinders1
SOHCValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
Air CooledCooling SystemAir Cooled
CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
CDIIgnition SystemCDI (later models) / Point Ignition (early models)
Single CylinderEngine LayoutStandard
20W-40Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
10000Valve Adjustment Interval—
Electric & KickStarting SystemKick Start
0.059Power-to-Weight RatioNot Available (Old Model)
1200 WMotor Power10.5 Litres (including reserve)
Euro II (est.)Emission Standard35−40 km/L (User Reported)
—Bore50.0 mm (International Spec)
—Stroke50.0 mm (International Spec)
—Bore x Stroke50.0 mm x 50.0 mm
—Compression Ratio6.7:1
—Engine Kill SwitchNo
—Power Consumption1.3 Litres (Gearbox/Transmission Oil)
—Battery Power105−110 km/h (Factory/Tuned)
—Power Mode IndicatorN/A (Known for fast acceleration in its class)