Yamaha EF2000iS Review

Yamaha EF2000iS Review, 3.0 out of 5 based on 2 ratings
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Rating: 3.0/5 (2 votes cast)

This popular Yamaha EF2000iS inverted generator is a favorite portable source of quite, clean, electronic-safe power while at the race-track, game, or out in the shop.  Its reliability, fuel efficiency and quiet running are its best features.

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The Yamaha EF2000iS generator is available on Amazon.com for just under $1000. This unit comes with a two-year warranty.

Anyone requiring extremely quiet, clean power output in a very portable unit would benefit from this reliable generator. This makes it great for RVers, auto, and boats. The unit is small, and at a pinch could be used to power the basics during power outages at home as well.

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  • Extremely quiet, 51 dB
  • Clean sinewave output for sensitive electronics
  • No dipstick for checking oil
  • Customer service not the best

This gas powered generator is super quiet, with noise absorbing, glass wool construction and a Smart throttle Eco-mode for lowering revs, along with the super quiet muffler to make this an incredibly quiet fuel efficient generator at just 51.5 dB at 25% load. The power 2000 Watts peak power output, along with the 1600 running Watts is given in clean, reliable pure sine wave form thanks to the inverter system and the pulse width modulation control. This means that you can run sensitive electronics, like laptops, TVs, and other equipment with no fear of power spikes, causing damage to the boards.

This portable generator can readily charge 12V batteries with the 8 Amp 12V DC output. 120 V output is at 13.3/16.7 amps. See the lower image for receptacle layout and configuration. The unit has TwinTech technology that allows dual hook up for additional power. The 79cc OHV 4-Stroke Gas gives up to 10 1/2 hours of continuous output in the economy mode. This can give you a full day or night of steady output for your electric needs. The gas tank is 1.1 gallon capacity.

Safety features on this model include a low oil warning system, electrical overload breaker and a spark arrestor muffler for safe use in national parks and other outdoor areas.These give peace of mind, and help increase the lifetime of your generator.

This generator has top consumer ratings from many happy users attesting to its reliability, low sound output and fuel economy. It is compact, quiet and powerful and will allow you the power you need, whilst not disturbing others nearby.

Click here to purchase this product on Amazon.

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