The Rato CGS150 (RW162FMJ-5) is a 150.3 ml (9.17 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CGS-series, manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato CGS125 engine uses the light piston to reduce the reciprocating inertia of piston motion and improve the engine performance; capacitance discharge ignition system and electric or kick start. The engine is equipped with a 5-speed gearbox.
The engine cylinder bore is 62.0 mm (2.44 in) and piston stroke is 49.8 mm (1.96 in). The CGS150 (RW162FMJ-5) produced 12.2 PS (9.0 kW; 12.0 HP) at 8,500 rpm of maximum horsepower and 11.0 N·m (1.12 kg·m, 8.11 ft·lb) of torque at 7,500 rpm.
General information
| Engine Specifications | |
| Model | CGS150 (RW162FMJ-5) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 150.3 ml (9.17 cu-in) |
| Max. horsepower | 12.2 PS (9.0 kW; 12.0 HP) at 8,500 rpm |
| Max. torque (crank PTO) | 11.0 N·m (1.12 kg·m, 8.11 ft·lb) at 7,000 rpm |
| Clutch method | Manual wet multi-plate |
| Gearshift method | 5-International |
| 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 | 354 g/kw·h |
Dimensions and Weight
| Rato CGS150 (RW162FMJ-5) | |
| Length, mm (in) | 355 (14.0) |
| Width, mm (in) | 320 (12.6) |
| Height, mm (in) | 420 (16.5) |
| Dry weight, kg (lb) | 30 (66.1) |
Service Information
| Oil system | |
| Oil capacity | 1.0 L |
| Ignition system | |
| Spark plug | D8RTC |
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