The Rato CG100 (RW150FMG-3) is a 97.2 ml (5.9 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato CG100 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 50.0 mm (1.97 in) and piston stroke is 49.5 mm (1.95 in). The CG100 (RW150FMG-3) produced 7.5 PS (5.5 kW; 7.4 HP) at 8,500 rpm of maximum horsepower and 6.5 N·m (0.66 kg·m, 4.80 ft·lb) of torque at 7,500 rpm.
General information
| Engine Specifications | |
| Model | CG100 (RW150FMG-3) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 97.2 ml (5.9 cu-in) |
| Max. horsepower | 7.5 PS (5.5 kW; 7.4 HP) at 8,500 rpm |
| Max. torque (crank PTO) | 6.5 N·m (0.66 kg·m, 4.80 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 CG100 (RW150FMG-3) | |
| Length, mm (in) | 355 (14.0) |
| Width, mm (in) | 320 (12.6) |
| Height, mm (in) | 420 (16.5) |
| Dry weight, kg (lb) | 33 (72.7) |
Service Information
| Oil system | |
| Oil capacity | 1.0 L |
| Ignition system | |
| Spark plug | D8RTC |
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