Honda GX120 Engine


incl GST

Honda GX120 Engine 1
Honda GX120 Engine 1

Key features

  • Net Power 2.6kW at 3,600 rpm
  • Fuel Tank Capacity 2.0 L

Used in construction/industrial equipment and agricultural, it is also a popular choice of engine for commercial lawn and garden equipment.

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Fuel Efficiency with High Output Operation

Honda’s GX series engines are legendary for superior reliability and performance. Low noise levels, low vibration and low emissions – without sacrificing power output or performance.

The GX120's Precision Camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency. It draws on decades of Honda engineering with its OHV design, delivering increased efficiency and optimal power transfer.

The GX120 boasts a high compression ratio for better fuel efficiency making it an economical motor to run.

Smooth Operator

A ball bearing-supported crankshaft and precision engineered components result in greater stability and lower vibration.

The use of lightweight, noise-reducing materials and a forged steel crankshaft & rigid crankcase results in an exceptionally quiet engine that incorporates a large capacity, multi-chamber exhaust system. And with a sophisticated air intake system, dual element air cleaner and cast iron cylinder sleeve, the GX120 is built durable and tough.

Easy To Use and Maintain

With simple throttle control, large fuel tank, large automotive type fuel cap and easily accessible spark plug; Honda engine designers always have the user front-of-mind.

Type4-stroke, overhead valve, single-cylinder, horizontal shaft
Bore & Stroke60 x 42mm
Displacement118 cm3
Compression Ratio8.5:1
Net Power2.6kW (3.5HP) at 3,600rpm
Continuous Rated Power2.1kW (2.8HP) at 3,600rpm
Maximum Net Torque7.3 Nm at 2,500rpm
Ignition SystemTransistorised magneto ignition
Starting SystemRecoil Starter
Cooling SystemForced-Air
Pto Shaft RotationCounter-clockwise (from P.T.O. side)
Fuel Consumption at Rated Power1.0 L/h at 3,600 rpm
Recommended FuelUnleaded
Lubrication SystemSplash
Recommended Oil10W/30 API SG
Oil Capacity0.6 L
Fuel Tank Capacity2.0 L
Dimensions305 x 341 x 318 mm
Dry Weight13.0 kg
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