Honda GX140

The Honda GX140 is a 144 cc, (8.8 cu-in) single-cylinder air-cooled four-stroke internal combustion gasoline engine manufactured by Honda Motor Company since 1983 for general-purpose applications, such as pressure washers, commercial lawn and garden equipment, tillers and cultivators, generators, construction or industrial equipment, agricultural equipment, small vehicles, water pumps.

The Honda GX140 engine has a single cylinder inclined by 25°, an overhead valve (OHV) design for increased efficiency and optimal power transfer, a sophisticated air intake system, large capacity, a multi-chamber exhaust system, and a heavy-duty recoil starter. This engine used a horizontal type carburetor with butterfly valve, transistorized magneto ignition system, splash type lubricating system, and forced-air cooling system. The engine used a dual element (dry/semidry) air cleaner.

The GX140 engine produces 3.6 kW (5.0 PS) at 4,000 rpm of maximum output power and 9.8 N·m (1.0 kg·m, 7.7 ft·lb) at 2,800 rpm of peak torque.

General information

Cylinder Block and Head

The Honda GX140 has cast iron cylinder sleeve, ball bearing supported crankshaft, improved piston design, heavy duty balancer shaft. The cylinder bore is 64.0 mm (2.5 in) and the piston stroke is 45.0 mm (1.77 in). Compression ratio rating is 8.7:1.

Service Data

Applications

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