Honda Ace 125AttributeYamaha RX100
124.8Displacement (cc)98
6.32 kW @ 7000 rpmMaximum Power11 PS @ 7500 rpm
10.11 Nm @ 5000 rpmMaximum Torque10.39 Nm @ 6500 rpm
8.31 BhpPeak Power11.0 HP (11.0 PS) @ 7500 rpm
1Number of Cylinders1
OHCValve ConfigurationReed Valve (Two-Stroke)
2Valves Per CylinderNot Applicable (Two-Stroke)
52.4 mmBore50.0 mm (International Spec)
57.9 mmStroke50.0 mm (International Spec)
52.4 x 57.9 mmBore x Stroke50.0 mm x 50.0 mm
9.0:1Compression Ratio6.7:1
Air CooledCooling SystemAir Cooled
CarburetorFuel Supply SystemCarburetor (Mikuni VM20)
DC-CDIIgnition SystemCDI (later models) / Point Ignition (early models)
Single CylinderEngine LayoutStandard
10W30Engine Oil Grade2 Stroke Engine Oil (Separate oil tank for Autolube)
Electric / Kick StartStarting SystemKick Start
NoEngine Kill SwitchNo
~0.075 HP/kgPower-to-Weight RatioNot Available (Old Model)
BS4Emission Standard35−40 km/L (User Reported)
NoPower Mode IndicatorN/A (Known for fast acceleration in its class)
—Power Consumption1.3 Litres (Gearbox/Transmission Oil)
—Motor Power10.5 Litres (including reserve)
—Battery Power105−110 km/h (Factory/Tuned)