Just Generators

The UK's Number 1for Generators and Power Equipment
01263 820202

Delivery is free of charge to most of the UK mainland* for orders over £50.00**.

* Scottish Highlands, Offshore UK & Republic of Ireland

If you're ordering to the Scottish Highlands, an offshore UK address or to the Republic of Ireland additional charges may apply. To receive a quote for these costs along with estimated delivery times, please contact us stating your address and the items you would like to order. You can still place your order through the website without receiving a quote but we will be in touch after the order has been placed to confirm delivery costs.

*The following Scottish and offshore postcodes may incur an additional delivery charge:

  • AB
  • BT
  • DD
  • DG
  • EH
  • FK
  • G
  • GY
  • HS
  • IM
  • IV
  • JE
  • KA
  • KW
  • KY
  • ML
  • PA
  • PH
  • PO
  • TD
  • ZE

**Orders under £50.00 will incur a shipping charge of £5.95. Our full delivery policy is here.

If your order is subject to any additional shipping charges, we will contact you (via email or telephone) prior to processing your payment.

For more information call our sales team on 01263 820202


Honda GX690 TXF4 Engine

Honda GX690 TXF4 Engine

To find out more about this product, please call our experts on 01263 820202 or fill out our contact form here


* UK Mainland. Check postcode.

Availability: In stock

ex. VAT: £1,229.17 £1,475.00

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Quick Overview

  • 22 Horse power
  • 1 1/8" crank
  • Oil Alert
  • Electric Start
  • 4-stroke petrol unleaded
  • Cast iron sleeve


View Honda Lawn & Garden Brochure

Honda GX690 TXF4 Engine Details

QXQ4 – 1” Shaft, Oil Alert, Recoil Start 

Why choose this engine?

The Honda GX390 engine ideal for heavy-duty applications, such as industrial and construction equipment, tillers, generators, welders, water pumps and many more. 

Being a 4-stroke engine, 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 OHV design, it enhances combustion efficiency and has a high power-to-displacement ratio. With its compact design and perfectly matching auxiliary components enable the engines to be mounted in an extensive range of equipment.

The GX390 has easy starting with an automatic decompression system and an easy to grip soft recoil starter handle. It also has variable ignition timing (digital CDI) results in high power output, reduced fuel consumption and excellent exhaust emissions performance. 

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:

  • The OHV design enhances combustion efficiency
  • A variable ignition timing (digital CDI) results in high power output, reduced fuel consumption and excellent exhaust emissions performance.
  • Easy starting with an automatic decompression system and an easy-to-grip soft recoil starter handle
  • High quality materials and purpose-built components ensure reliable long-term use
  • Meets world's most stringent environmental legislation
  • Guaranteed low fuel and oil consumption
  • Reduced vibration and noise level 


Honda customers deserve complete peace of mind when purchasing the GX390, which is why it comes with a 12 months warranty.


Brand Honda
Power Source Petrol
Power Details Air cooled 4-stroke OHV petrol engine, 90° V-twin design, horizontal shaft
Cylinder Sleeve Type Cast iron cylinder sleeve type
Bore x Stroke 2 / 78 x 72 mm
Compression 9.3 : 1
Max Power Output 16.5 kW (22.1 HP) / 3 600 rpm
Max Torque 48.3 Nm / 4.93 kgfm / 2 500 rpm
Ignition System Digital CDI with variable ignition timing
Starting Method Key Start
Fuel tank Capacity 6.7 L/hr - 3 600 rpm
Specific Fuel Cons. 313 g/kW.hr - 230 g/HP.hr
Engine Oil Capacity 1.9 litres
Dimensions (L x W x H) 429 x 410 x 438 mm
Weight 44.6 kg
Warranty 12 months
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