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
Model120CC (RW152FMI)
TypeVertical, four-stroke, single cylinder
Displacement119.7 cc (7.3 cu-in)
Max. horsepower7.5 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 methodManual wet multi-plate
Gearshift method4-speed gearshift
Cooling systemForced-air
Ignition systemCapacitance discharge ignition (CDI)
Lubricating systemSplash
Starting systemElectric or kick
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel consumption367 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 capacity1.0 L
Ignition system
Spark plugA7RTC
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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