January 9, 2026 HomeRatoRato CG150 (RW162FMJ-2) FORUM! Dear visitors, now our site has a FORUM where you can ask all your questions and share your experience.
The Rato CG150 (RW162FMJ-2) is a 149.4 ml (9.1 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CG-series, manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato CG150 engine uses rocker arm of cast iron and tappet of aluminum alloy; capacitance discharge ignition system and electric or kick start. The engine is equipped with a 5-speed gearbox.
The engine cylinder bore is 62 mm (2.44 in) and piston stroke is 49.5 mm (1.95 in). The CG150 (RW162FMJ-2) produced 11.5 PS (8.5 kW; 11.4 HP) at 8,500 rpm of maximum horsepower and 10.0 N·m (1.02 kg·m, 7.37 ft·lb) of torque at 7,000 rpm.
General information
Engine Specifications
Model
CG150 (RW162FMJ-2)
Type
Vertical, four-stroke, single cylinder
Displacement
149.4 ml (9.1 cu-in)
Max. horsepower
11.5 PS (8.5 kW; 11.4 HP) at 8,500 rpm
Max. torque (crank PTO)
10.0 N·m (1.02 kg·m, 7.37 ft·lb) at 7,500 rpm
Clutch method
Manual wet multi-plate
Gearshift method
5-speed gearshift
Cooling system
Forced-air
Ignition system
Capacitance discharge ignition (CDI)
Lubricating system
Splash
Starting system
Electric / kick
Fuel used
Unleaded gasoline (octane number 86 or higher)
Fuel consumption
367 g/kw·h
Dimensions and Weight
Rato CG150 (RW162FMJ-2)
Length, mm (in)
355 (14.0)
Width, mm (in)
320 (12.6)
Height, mm (in)
420 (16.5)
Dry weight, kg (lb)
31 (68.3)
Service Information
Oil system
Oil capacity
1.0 L
Ignition system
Spark plug
D8RTC
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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.
FORUM! Dear visitors, now our site has a FORUM where you can ask all your questions and share your experience.
The Rato CG150 (RW162FMJ-2) is a 149.4 ml (9.1 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CG-series, manufactured by Chongqing RATO Holding (Group) CO., LTD. 
