Rato 125DCC (RW152FMI-2)

Rato 125DCC (RW152FMI-2)The Rato 125DCC (RW152FMI-2) is a 122.9 cc (7.5 cu-in) single-cylinder air-cooled 4-stroke internal combustion horizontal motorcycle engine manufactured by Chongqing RATO Holding (Group) CO., LTD.

The Rato 125CC engine is equipped with CDI (capacitance discharge ignition system), double clutches, electric and kick starter; 4-speed gearshift with sophisticated protection. The engine used auxiliary gear design for a primary clutch to reduce the transmission gap between driving and driven gears and transmission noise. It has a specific style for left cover with a unique appearance and various style of the right cover.

Bore and stroke are 52.4 mm (2.06 in) and 57 mm (2.24 in), respectively. The 125DCC (RW152FMI-2) produced 8.3 PS (6.1 kW; 8.2 HP) at 7,500 rpm of maximum horsepower and 9.0 Nm (0.92 kg·m; 6.64 ft·lb) at 5,500 rpm of torque .

General information

Engine Specifications
Model 125DCC (RW152FMI-2)
Type Vertical, four-stroke, single cylinder
Displacement 122.9 cc (7.5 cu-in)
Max. horsepower 8.3 PS (6.1 KW; 8.2 HP) at 7,500 rpm
Max. torque (crank PTO) 9.0 Nm (0.92 kg·m; 6.64 ft·lb) at 5,500 rpm
Clutch method Double clutches
Gearshift method 4-speed gearshift(with sophisticated protection)
Cooling system Forced-air
Ignition system Capacitance discharge ignition (CDI)
Lubricating system Splash
Starting system Electric and kick
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel consumption 367 g/kw·h

Dimensions and Weight

Rato 125DCC (RW152FMI-2)
Length, mm (in) 470 (18.5)
Width, mm (in) 310 (12.2)
Height, mm (in) 230 (9.1)
Dry weight, kg (lb) 25 (55.1)

Service Information

Oil system
Oil capacity 1.0 L
Ignition system
Spark plug A7RTC
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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