Honda GX690 Engine


incl GST

Honda GX690 Engine 1
Honda GX690 Engine 1

Key features

  • Net Power 16.5 kW / 3600rpm
  • Fuel Consumption 6.7 L

The Honda GX690 Engine is commonly used to power pressure washers, generators, construction, industrial, horticultural equipment and small vehicles.

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Fuel Efficient Operation

The fuel economy of the GX690 V-Twin is similar to fuel injection, with the simplicity of carburetion ensuring that running this unit is easy on both your pocket and the environment.

It features a digital CDI ignition system with variable timing, as well as a forged steel crankshaft and insert style rod bearings for efficient operation. There's also a rev limiter to protect against damage from over-revving. A hemispherical combustion chamber delivers rapid combustion.

Add a two barrel inner-vent carburetor for more precise fuel metering and a 9.3:1 compression ratio, and you'll be generating high power output without the need for premium fuel.

Proven Reliability

The GX690's high capacity pump facilitates consistent oil delivery, and a handy oil alert so there is no risk of running dry and doing damage to the engine. There's a dual cylindrical air filter, and a large diameter air intake on board for superior cooling, perfect when operating over long periods of time.

The result is a long-lasting, high-performing and reliable engine.

TypeAir cooled 4-stroke OHV petrol engine, 90° V-twin design, horizontal shaft
Bore & Stroke2 / 78 x 72mm
Compression Ratio9.3:1
Net Power16.5 kW (22.1 HP) / 3600rpm
Continuous Rated Power11.5 kW (15.4 HP) / 3000 rpm 13.0 kW (17.4 HP) / 3600rpm
Maximum Net Torque48.3 Nm / 4.93 kgfm / 2500rpm
Ignition SystemDigital CDI with variable ignition timing
Starting SystemElectric starter
Fuel Consumption At Rated Power6.7 L/hr - 3600rpm
Recommended FuelUnleaded 91
Lubrication SystemFull-pressure
Oil Capacity1.9 L
Fuel Consumption6.7 L
Dimensions429 x 410 x 438 mm (T-Type)
Dry Weight44.6 kg
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