The Rato CB150 (RW162FMJ-9) 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 new design of air gallery of eddy flow featured with high-efficiency burning efficiency, low oil consumption and great power; inbuilt air gallery of conversion flow of cylinder head featured with high-efficiency cooling, reduction of heat load and durability improvement; silent chain driving to reduce noise; inbuilt reducing valve of inlet cam featured with convenient starting and sound reliability; capacitance discharge ignition system and electric or kick start. The engine is equipped with a 5-speed gearbox.
The engine cylinder bore is 62 mm (2.44 in) and piston stroke is 49.5 mm (1.95 in). The CB150 (RW162FMJ-9) produced 12.9 PS (9.5 kW; 12.7 HP) at 8,500 rpm of maximum horsepower and 12.0 N·m (1.22 kg·m, 8.85 ft·lb) of torque at 7,000 rpm.
General information
| Engine Specifications | |
| Model | CB150 (RW162FMJ-9) |
| Type | Vertical, four-stroke, single cylinder |
| Displacement | 149.4 ml (9.1 cu-in) |
| Max. horsepower | 12.9 PS (9.5 kW; 12.7 HP) at 8,500 rpm |
| Max. torque (crank PTO) | 12.0 N·m (1.22 kg·m, 8.85 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 (RW162FMJ-9) | |
| Length, mm (in) | 374 (14.7) |
| Width, mm (in) | 320 (12.6) |
| Height, mm (in) | 409 (16.0) |
| Dry weight, kg (lb) | 31 (66.1) |
Service Information
| Oil system | |
| Oil capacity | 1.0 L |
| Ignition system | |
| Spark plug | B7RTC |
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