Rato CGP175 (RW162FMK)

Rato CGP175 (RW162FMK)The Rato CGP175 (RW162FMK) is a 175.1 ml (10.7 cu-in) single-cylinder air-cooled 4-stroke internal combustion vertical motorcycle engine from Rato CGP-series, manufactured by Chongqing RATO Holding (Group) CO., LTD.

The Rato CGP175 engine uses the front structure of balance shaft to reduce engine vibration and improve stability; hot charging technique of crank and case to reduce the crank noise and extend lifetime. The engine is equipped with capacitance discharge ignition system (CDI), electric or kick starter and 5-speed gearbox with a manual wet multi-plate clutch.

The engine cylinder bore is 62 mm (2.44 in) and piston stroke is 58 mm (2.28 in). The CGP175 (RW162FMK) produced 12.9 PS (9.5 kW; 12.7 HP) at 8,000 rpm of maximum horsepower and 13.0 N·m (1.32 kg·m, 9.58 ft·lb) at 7,000 rpm of torque.

General information

Engine Specifications
ModelCGP175 (RW162FMK)
TypeVertical, four-stroke, single cylinder
Displacement175.1 ml (10.7 cu-in)
Max. horsepower12.9 PS (9.5 kW; 12.7 HP) at 8,000 rpm
Max. torque (crank PTO)13.0 N·m (1.32 kg·m, 9.58 ft·lb) at 7,000 rpm
Clutch methodManual wet multi-plate
Gearshift method5-speed gearshift
Cooling systemForced-air
Ignition systemCapacitance discharge ignition (CDI)
Lubricating systemSplash
Starting systemElectric / kick
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel consumption354 g/kw·h

Dimensions and Weight

Rato CGP175 (RW162FMK)
Length, mm (in)340 (13.4)
Width, mm (in)343 (13.5)
Height, mm (in)425 (16.7)
Dry weight, kg (lb)34 (74.9)

Service Information

Oil system
Oil capacity1.3 L
Ignition system
Spark plugD8RTC
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