The Rato 125CC (RW152FMI-2) is a 122.9 cc (7.5 cu-in) single-cylinder air-cooled 4-stroke internal combustion horizontal motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato 125CC engine uses CDI (capacitance discharge ignition system), the centrifugal automatic clutch to smoothen the gearshift and improve the driving comfortableness, kick starter and 4-speed gearbox.
The engine cylinder bore is 52.4 mm (2.06 in) and piston stroke is 57.0 mm (2.24 in). The 125CC (RW152FMI-2) produced 8.3 PS (6.1 kW; 8.2 HP) at 7,500 rpm of maximum horsepower and 9.0 N·m (0.92 kg·m, 6.64 ft·lb) at 5,500 rpm of torque .
Vertical, four-stroke, single cylinder
122.9 cc (7.5 cu-in)
8.3 PS (6.1 kW; 8.2 HP) at 7,500 rpm
Max. torque (crank PTO)
9.0 N·m (0.92 kg·m, 6.64 ft·lb) at 5,500 rpm
Automatic wet multi-plate
Capacitance discharge ignition (CDI)
Unleaded gasoline (octane number 86 or higher)
Dimensions and Weight
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
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