Rato RS100

Rato RS100The Rato RS100 is a 98 cc (6.0 cu-in) single-cylinder air-cooled 4-stroke internal combustion general-purpose gasoline engine with horizontal shaft manufactured by Chongqing RATO Holding (Group) CO., LTD.

The Rato RS100 engine features a cast-iron cylinder liner for low oil consumption and consistent, reliable power output. Transistorized CDI ignition ensures easy reliable starting and low emissions.

The RS100 cylinder bore is 52.0 mm (2.05 in) and piston stroke is 46.0 mm (1.81 in), compression ratio rating is 5.6:1. The Rato RS100 produces 3.0 HP at 3,600 rpm of power and 3.2 Nm (0.33 kg·m, 2.36 ft·lb) at 2,500 rpm of net torque.

General information

Engine Specifications
ModelRS100
Type4-stroke, OHV, single cylinder
Displacement98 cm3 (6.0 cu-in)
Max. horsepower3.0 HP at 3,600 rpm
Max. torque (crank PTO)3.2 Nm (0.33 kg·m, 2.36 ft·lb) at 2,500 rpm
CarburetorFlat suction valve carburetor
Cooling systemForced-air
Ignition systemTransitorised CDI
Lubricating systemSplash
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
PTO shaft rotationCounterclockwise (from PTO shaft side)
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