Yamaha EF1000iS – Portable Inverter Generator

Last updated on August 12, 2022 4:53 am


Another Portable Inverter Generator from Yamaha is EF1000iS.  Yamaha EF1000iS is great for quick lighting and media electronics.

Before deciding which portable power equipment to buy, it is essential to know what you want. But how will you know what to look for? You need to know the best products on the market. And then use those model products to help guide your way. They are supposed to have all of the necessary features you require. This is where this product comes into play. It won’t be too much of a stretch to define it as a model for its features are exemplary indeed. Come read this Yamaha EF1000iS Review.

Yamaha EF1000iS, 900 Running Watts/1000 Starting Watts, Gas Powered Portable Inverter

 out of stock
as of August 12, 2022 4:53 am


  • 1,000 Watt Maximum AC Output/900 Watt Rated AC Output
  • Noise Block Acoustically designed sound reduction system
  • Long Run Time - Runs continuously for up to 12 hours without refueling
  • Smart Throttle Load sensing throttle control
  • CARB Compliant

Yamaha EF1000iS generator from Walmart

EF1000iS generator from other retails

Few points about this Yamaha-EF1000iS inverter generator comparison above

  • This product is available at Yamahagenerators, Walmart.com, Amazon.com.
  • At walmart.com you can purchase Yamaha EF1000iS 1000 Watt 120V Gas Portable Super Quiet Inverter Generator, Blue for only $749.99, which is 4% less than the cost in Yamahagenerators ( 779.00).
  • The lowest price of Yamaha EF1000iS 1000 Watt Inverter Generator was obtained on August 10, 2022 11:05 pm.

Yamaha-EF1000iS inverter generator Price History

Yamaha EF1000iS, 900 Running Watts/1000 Starting Watts, Gas Powered Portable Inverter, Yamaha

out of stock
Buy from Amazon.com

Price History

Additional information


Starting Watts

1000 watts

Running Watts

900 watts


50 cc Yamaha MZ50 OHV 4-stroke


120V 60 Hz, DC: 12V

Fuel Type


Fuel Tank Capacity

0.66 gallon

Run Time

11.9 Hours

Fuel Gauge


Hour Meter


Handle Style

Suitcase style handle

Noise level

47 dBA

RV Ready


Start Type

Recoil Pull Start

Unit Weight

27.9 lbs

Product Dimensions

17.7 x 9.4 x 14.9 inches


3-Year Limited Service Warranty


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