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.
Vertical, four-stroke, single cylinder
97.2 ml (5.9 cu-in)
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
Manual wet multi-plate
Capacitance discharge ignition (CDI)
Electric / kick
Unleaded gasoline (octane number 86 or higher)
Dimensions and Weight
Rato CG100 (RW150FMG-3)
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
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