Rato 120CC (RW152FMI)

Rato 120CC (RW152FMI)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 manual wet multi-plate clutch, electric or kick starter and 4-speed gearshift. The engine uses various styles of right and left covers. The top of the motor is protected from water and foreign particle, low fault rate and long lifetime.

Bore and stroke are 52.4 mm (2.06 in) and 55.5 mm (2.19 in), respectively. 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 .

General information

Engine Specifications
Model 120CC (RW152FMI)
Type Vertical, four-stroke, single cylinder
Displacement 119.7 cc (7.3 cu-in)
Max. horsepower 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
Clutch method Manual wet multi-plate
Gearshift method 4-speed gearshift
Cooling system Forced-air
Ignition system Capacitance discharge ignition (CDI)
Lubricating system Splash
Starting system Electric or kick
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel consumption 367 g/kw·h

Dimensions and Weight

Rato 120CC (RW152FMI)
Length, mm (in) 470 (18.5)
Width, mm (in) 310 (12.2)
Height, mm (in) 260 (10.2)
Dry weight, kg (lb) 25 (55.1)

Service Information

Oil system
Oil capacity 1.0 L
Ignition system
Spark plug A7RTC
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