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 |
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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