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


Yamaha EF1000is Portable Generator

Yamaha EF1000is Portable Generator

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

Availability: Out of stock

ex. VAT: £699.17 £839.00 RRP £958.80 | SAVE £120
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* UK Mainland. Check postcode.

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Quick Overview

  • 900 Rated Watts
  • 230 Rated Voltage
  • 1.0 KVA
  • Petrol unleaded
  • Smooth output for sensitive equipment including laptops
  • 47dB(a) @ 7M
  • Recoil start
  • Ideal for camping and caravanning

Yamaha EF1000is Portable Generator  Details

The Yamaha EF1000iS portable inverter generator is the ultimate in lightweight portable electricity that is quiet, durable and convenient.

The Yamaha EF1000iS portable generator meets the strong demand from the market for a light, portable generator, which offers long continuous running capability and supplies high quality energy required nowadays to power electronic products with built- in microcomputers, such as for example laptops.

The EF1000iS Portable generator weighs only 13 kilograms and is equipped with a new 4-stroke OHV 50cc engine. The Yamaha exclusive double coil system gives a better fuel economy, a continuous running time of up to 12 hours and less noise.


  • High quality electricity
  • Super Silent @ 47 dBA * 
  • Lightest weight in its class 
  • Compact design
  • Inverter type controller
  • Economy control
  • Easy control panel
  • Handy grip
  • 12V DC outlet
  • Oil warning system

As per Yamaha's recommendation we are one of the few companies that ensure that their NEW Yamaha Generators are tested ( PDI ) before dispatch. A Yamaha Trained Engineer will remove the NEW generator from the box and start & test, this gives you the confidence that you should not experience any problems when receiving your order.

Special Offer - Comes with a free generator protective cover worth £31.99


Brand Yamaha
Phase Single Phase
Fuel Type Petrol Unleaded
Rated Watts (W) 900
KVA 1.00
Voltage 230
Rated Frequency (Hz) 50
DC Rated Output 12V / 3.9 A
Sockets 1 x 13amp 230V 1 x 12V DC
Output Technology Inverter
Fuel tank Capacity 2.5 Litres
Running Time 6-9 hours
Dimensions (L x W x H) 450 x 235 x 380 mm
Starting Method Recoil
Noise Value - Sound Power Level dB(A) 47
Weight 13 kg
Warranty 5 years domestic, 1 year commercial
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