The Rato C100 (RW150FMG) is a 97.2 cc (5.9 cu-in) single-cylinder air-cooled 4-stroke internal combustion horizontal motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato C100 engine uses CDI (capacitance discharge ignition system), electric or kick starter, dual clutches and 4-speed gearbox（with sophisticated protection).
The engine cylinder bore is 50.0 mm (1.97 in) and piston stroke is 49.5 mm (1.95 in). The C100 (RW150FMG) produced 6.1 PS (4.5 kW; 6.0 HP) at 7,500 rpm of maximum horsepower and 6.5 N·m (0.66 kg·m, 4.8 ft·lb) at 5,500 rpm of torque .
General information
| Engine Specifications | |
| Model | C100 (RW150FMG) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 97.2 ml (5.9 cu-in) |
| Max. horsepower | 6.1 PS (4.5 kW; 6.0 HP) at 7,500 rpm |
| Max. torque (crank PTO) | 6.5 N·m (0.66 kg·m, 4.8 ft·lb) at 5,500 rpm |
| Clutch method | Double clutches |
| Gearshift method | 4-speed gearshift（with sophisticated protection |
| 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 C100 (RW150FMG) | |
| Length, mm (in) | 450 (17.7) |
| Width, mm (in) | 310 (12.2) |
| Height, mm (in) | 260 (10.2) |
| Dry weight, kg (lb) | 22 (48.5) |
Service Information
| Oil system | |
| Oil capacity | 1.0 L |
| Ignition system | |
| Spark plug | A7RTC |
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