Honda Grom 125AttributeYamaha RX100
124ccDisplacement (cc)98
7.2 kW @ 7,250 rpmMaximum Power11 PS @ 7500 rpm
10.5 Nm @ 5,500 rpmMaximum Torque10.39 Nm @ 6500 rpm
1Number of Cylinders1
SOHCValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
50.0mm x 63.1mmBore x Stroke50.0 mm x 50.0 mm
10.0:1Compression Ratio6.7:1
Air-cooledCooling SystemAir Cooled
Programmed Fuel-Injection (PGM-FI)Fuel Supply SystemCarburetor (Mikuni VM20)
Full transistorizedIgnition SystemCDI (later models) / Point Ignition (early models)
ElectricStarting SystemKick Start
Euro 5Emission Standard35−40 km/L (User Reported)
—Peak Power11.0 HP (11.0 PS) @ 7500 rpm
—Bore50.0 mm (International Spec)
—Stroke50.0 mm (International Spec)
—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)
—Battery Power105−110 km/h (Factory/Tuned)
—Power Mode IndicatorN/A (Known for fast acceleration in its class)