The Rato 70CC (RW147FMD) is a 71.8 cc, (4.38 cu-in) single-cylinder air-cooled 4-stroke internal combustion horizontal motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato 70CC engine is equipped with CDI (capacitance discharge ignition system), the manual wet multi-plate clutch, electric or kick starter and 4-international gearbox. The engine uses a specific style for left cover with unique appearance; various style of the right cover.
The engine cylinder bore is 47.0 mm (1.85 in) and the piston stroke is 41.4 mm (1.63 in). The 70CC (RW147FMD) produced 5.0 PS (3.7 kW; 5.0 HP) at 8,000 rpm of maximum horsepower and 4.5 Nm (0.46 kg·m; 3.32 ft·lb) at 6,000 rpm of torque .
General information
| Engine Specifications | |
| Model | 70CC (RW147FMD) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 71.8 cc, (4.38 cu-in) |
| Max. horsepower | 5.0 PS (3.7 KW; 5.0 HP) at 8,000 rpm |
| Max. torque (crank PTO) | 4.5 Nm (0.46 kg·m; 3.32 ft·lb) at 6,000 rpm |
| Clutch method | Manual wet multi-plate |
| Gearshift method | 4-International |
| Cooling system | Forced-air |
| Ignition system | Capacitance discharge ignition (CDI) |
| Lubricating system | Splash |
| Starting system | Electric or kick |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel consumption | 367 g/kw·h |
Service Information
| Oil system | |
| Oil capacity | 0.7 L |
| Ignition system | |
| Spark plug | A7RTC |
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