The Rato 120CC (RW152FMI) is a 119.7 cc (7.3 cu-in) single-cylinder air-cooled 4-stroke internal combustion horizontal motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato 120CC engine is equipped with CDI (capacitance discharge ignition system), the automatic wet multi-plate clutch, electric and kick starter or electric starter only and 3-speed gearbox with reverse gear. The Rato company installed the reverse gear mechanism into the engine gearbox to generate a more compact structure. Perfect integration between reverse gear mechanism and forward gear to realize the reverse gear easily and simplifier the operation and control.
It has a 52.4 mm (2.06 in) cylinder bore and 55.5 mm (2.19 in) piston stroke. The 120CC (RW152FMI) produced 7.5 PS (5.5 kW; 7.4 HP) at 7,500 rpm of maximum horsepower and 8.5 Nm (0.87 kg·m; 6.27 ft·lb) at 5,500 rpm of torque .
Vertical, four-stroke, single cylinder
119.7 cc (7.3 cu-in)
7.5 PS (5.5 KW; 7.4 HP) at 7,500 rpm
Max. torque (crank PTO)
8.5 Nm (0.87 kg·m; 6.27 ft·lb) at 5,500 rpm
Automatic wet multi-plate
Capacitance discharge ignition (CDI)
Electric and kick or electric only
Unleaded gasoline (octane number 86 or higher)
Dimensions and Weight
Rato 120CC (RW152FMI)
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
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