The Rato CB150 (RW162MK) is a 149.4 ml (9.1 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CB-series, manufactured by Chongqing RATO Holding (Group) CO., LTD.
The Rato CB150 engine uses the dual-cam valve for valve gear with chain transmission to improve the efficiency of valve gear and reduce the noise of complete machine; increased the diameter of the left crankshaft; 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 49.5 mm (1.95 in). The CB150 (RW162MK) produced 11.4 PS (8.5 kW; 11.2 HP) at 8,500 rpm of maximum horsepower and 10.0 N·m (1.02 kg·m, 7.37 ft·lb) of torque at 7,000 rpm.
General information
| Engine Specifications | |
| Model | CB150 (RW162MK) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 149.4 ml (9.1 cu-in) |
| Max. horsepower | 11.4 PS (8.5 kW; 11.2 HP) at 8,500 rpm |
| Max. torque (crank PTO) | 10.0 N·m (1.02 kg·m, 7.37 ft·lb) at 7,500 rpm |
| Clutch method | 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 CB150 (RW162MK) | |
| Length, mm (in) | 357 (14.0) |
| Width, mm (in) | 320 (12.6) |
| Height, mm (in) | 430 (16.9) |
| Dry weight, kg (lb) | 33 (72.7) |
Service Information
| Oil system | |
| Oil capacity | 1.0 L |
| Ignition system | |
| Spark plug | B7RTC |
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