The Rato CGP250 (RW167FMM) is a 229.2 ml (13.9 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CGP-series, manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato CGP125 engine uses the front structure of balance shaft to reduce engine vibration and improve stability; hot charging technique of crank and case to reduce the crank noise and extend lifetime. The engine is equipped with capacitance discharge ignition system (CDI), electric or kick starter and 5-speed gearbox with a manual wet multi-plate clutch.
The engine cylinder bore is 67 mm (2.64 in) and piston stroke is 65 mm (2.56 in). The CGP250 (RW167FMM) produced 14.7 PS (10.8 kW; 14.5 HP) at 6,500 rpm of maximum horsepower and 16.5 N·m (1.68 kg·m, 12.17 ft·lb) at 5,500 rpm of torque .
General information
| Engine Specifications | |
| Model | CGP250 (RW167FMM) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 229.2 ml (13.9 cu-in) |
| Max. horsepower | 14.7 PS (10.8 kW; 14.5 HP) at 6,500 rpm |
| Max. torque (crank PTO) | 16.5 N·m (1.68 kg·m, 12.17 ft·lb) at 5,500 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 | 354 g/kw·h |
Dimensions and Weight
| Rato CGP250 (RW167FMM) | |
| Length, mm (in) | 340 (13.4) |
| Width, mm (in) | 343 (13.5) |
| Height, mm (in) | 430 (16.9) |
| Dry weight, kg (lb) | 35 (77.2) |
Service Information
| Oil system | |
| Oil capacity | 1.3 L |
| Ignition system | |
| Spark plug | D8RTC |
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