Honda GX 390 engine shaft for generators (V-type) – Electric start

1.316,00  VAT included



As the world’s largest engine manufacturer, Honda, established in 1948, has wide experience in developing and producing engines.

Honda is recognised internationally for its expertise and leadership in developing and making a wide variety of products

– from small general purpose engines to sports cars – which incorporate Honda’s highly-efficient internal combustion engine technologies.

Perfectly matching the OEM product

Honda engineers work closely with OEMs to make sure that Honda engines match OEM products and that ‘Powered by Honda’ products

continue to exceed all customer expectations.

Honda technology

Honda’s OverHead Valve (OHV) and OverHead Camshaft (OHC) designs enhance combustion efficiency, help to reduce fuel

and oil consumption and ensure excellent thermal balance.

Also the durability, reliability and service life of the engine is extended.

All Honda engines are equipped with OHV or OHC technology.  

Advanced Honda technology is clearly seen in the features of the intelligent iGX engines and the Mini 4-stroke engines.

Superior reliability and quality

Honda engines are built with high quality materials and purpose-made components which ensure reliable long-term use.

The GX-engines are covered by a 3-year warranty.

Easy starting

All Honda engines are equipped with an automatic decompression system which enables an easy start.

This system, connected to the camshaft, reduces compression by opening the exhaust valve slightly when the engine is being started.

This reduces the degree of force needed to start the engine.

Environmentally friendly

Honda is well aware of its responsibility for the impact on the environment of its corporate activities and its products and is committed to minimising that impact.

Read more about Honda’s efforts concerning environmental issues. 

5 in stock

SKU: GX390UT2VXE9 Category:



  • The OHV configuration guarantees a very efficient combustion.
  • The variable timing system (digital CDI) guarantees more power, reduced consumption, and low emissions.
  • Easy and light starting, thanks to an efficient decompression system and an ergonomic starter handle.
  • High quality materials used, designed and built to last for a long time.
  • The engines meet all the strictest regulations in the world.
  • Very low fuel consumption.
  • Reduced vibrations and noise.


Engine Type

4-stroke single cylinderOHV petrol engine

25° inclined cylinder horizontal shaft

Cylinder Sleeve TypeCast iron sleeve
Bore x Stroke88 x 64 mm
Displacement389 cm³
Compression Ratio8.2 : 1
Net Power8.7 kW ( 11.7 HP ) / 3600 rpm
Continous Rated Power

6.4 kW ( 8.6 HP ) / 3000 rpm

7.0 kW ( 9.4 HP ) / 3600 rpm

Max. Net Torque26.5 Nm ( 2.7 kgfm ) / 2500 rpm
Ignition SystemDigital CDI with variable ignition timing
Air cleaner typeDry
StarterRecoil (Electric start optional)
Fuel Tank capacity6.1 Liter
Fuel Cont. at cont. rated power3.5 L/h – 3600 rpm
Engine Oil capacity1.1 Liter
Dimensions (L x W X H) 406 x 460 x 448 mm
Dry weight31.7 Kg


The power rating of this engine is the net power tested on a production engine for this engine model

and measured in accordance with SAE J1349 at a specified rpm.

Mass production engines may vary from this value.

Actual power output for the engine installed in the final machine will vary depending on numerous factors,

including the operating speed of the engine in application, environmental conditions, maintenance, and other variables.



TypeL (cm)W (cm)H (cm)
GX 390605050

Additional information

Weight32 kg
Dimensions45 × 42 × 43 cm


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