Honda GX120 QX4 Engine

Honda GX120 QX4 Engine

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Quick Overview

  • 4.0 Horse power
  • 3/4 " Crank Shaft
  • Recoil Start
  • Oil Alert
  • 4-stroke petrol unleaded
  • Cast iron sleeve

Product Code: HON-GX120-QX4

Availability: In stock

RRP: £515.35 ex. VAT: £240.83 inc. VAT: £289.00
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Honda GX120 QX4 Engine Details

QX4 - 3/4 " Crank Shaft Recoil Start Oil Alert

Why choose this engine?

The Honda GX120 engine is ideal for a wide range of heavy duty applications, such as generators, welders, construction equipment, tillers, water pumps, and many other industrial applications. 

With its OHV design, it enhances combustion efficiency and has a high power-to-displacement ratio. 

The GX120 has easy starting with an automatic decompression system and an easy to grip soft recoil starter handle.

Being a 4-stroke engine, it means that it meets the worlds most stringent environmental legislation and emits very few emissions, has low fuel and oil consumption and reduced vibration and noise levels.

With its compact design and perfectly matching auxiliary components enable the engines to be mounted in an extensive range of equipment.

Honda engines are designed for versatility and simple installation, including several output shaft variations, reduction gearboxes, optional equipment and mounting flanges which match industry standards.

Engine features:

  • OHV design enhances combustion efficiency
  • High power-to-displacement ratio
  • Easy starting with an automatic decompression system and an easy-to-grip soft recoil starter handle
  • High quality materials and purpose-built components which ensure reliable, long-term use
  • Meets world's most stringent environmental legislation
  • Low fuel and oil consumption
  • Reduced vibration and noise levels 


Honda customers deserve complete peace of mind when purchasing the GX120, which is why it comes with a 12 months warranty.


Brand Honda
Power Source Petrol
Power Details Air cooled 4-stroke OHV petrol engine, 25° inclined cylinder, horizontal shaft,
Cylinder Sleeve Type Cast iron cylinder sleeve type
Bore x Stroke 60 x 42 mm
Compression 8.5 : 1
Max Power Output 2.9 Kw (4 HP) / 3600 rpm
Max Torque 7.4 Nm / 0.75 Kgm / 2500 rpm
Ignition System Transistorised
Starting Method Recoil
Fuel tank Capacity 2.5 litres
Specific Fuel Cons. 313 g/ - 230 g/
Engine Oil Capacity 0.6 litres
Dimensions (L x W x H) 305 x 341 x 318 mm
Weight 13 kg
Warranty 12 months
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