Yamaha EF2000iS 2000 Watt Portable Inverter Generator Reviews

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The Yamaha EF2000iS At A Glance

  • 2,000 Watt Maximum AC Output/1,600 Watt Rated AC Output
  • Super-quiet muffler with USFS-approved Spark Arrestor
  • Smart Throttle varies engine speed based on load
  • Inverter system with Pulse Width Modulation (PWM) control
  • CARB Compliant

Yamaha EF2000iS is a portable inverter powered by gas that provides maximum electrical output with its innovative inverter system. It can generate up to 2000 watts of clean AC power and is capable of running up to 10-1/2 hours with no refueling needed. This Yamaha portable generator utilizes premium technologies like Smart Throttle Load which dynamically adjusts the engine speed depending on output to give greater fuel efficiency of fuel.

Why The Yamaha EF2000iS is the Best Inverter Portable Generator

The EF2000is is made by well known manufacturer Yamaha, and the quality associated with the Yamaha brand really shines through.  This is a sturdy but portable unit, weighing in at just over 50 pound when full of fuel and oil, making it one of the more lightweight portable generators.  It’s oil-watch warning system means you won’t have to worry about engine damage due to running the unit at low oil levels.  The unit’s super quiet muffler and glass wool construction absorb a lot of noise resulting in a portable generator that is incredibly quiet at all speeds. Startup is quick and easy  and the one gallon tank lasts between 6 and 10 hours depending upon load.  Smart throttle technology dynamically adjusts the EF2000iS engine speed reducing fuel consumption when the Yamaha isn’t required to output at 100%.

For camping enthusiasts like myself, the choice of a portable inverter generator is an important one. Choose an unreliable model and you are likely to be sulking through your camping trip. On the other hand, the smooth-running one will provide hours of entertainment and enjoyment, supplying precious power as and when you need it. When researching on which model to buy, I found that the selection of inverter portable generators can be rather limited as compared to large portable generators.However, through all the models and reviews I read, none came close to the shining customer reviews of the Yamaha EF 2000iS.

Watch the Yamaha EF2000iS in ActionGet the Flash Player to see the wordTube Media Player.

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Let’s run through some of the points in detail that makes the Yamaha EF2000iS the top of its class.

Reliability and Japanese Quality

This is one of those products where if you purely compare the price against other 2,000 Watt portable generators you might choose something else, but if you are comparing reliability and quality then you could never buy anything else. After all, you just want a portable generator to work, no matter what the situation and this unit will certainly do that.

Very Quiet

Shhh….it’s Ultra-Qui

The noise level produced measures in at a mere 62 decibels (db) so the quietness you’ll experience with the Yamaha EF2000iS can be said to be one of the highlights of this impressive product. Even at full speed you can stand about 6 feet away and have a normal conversation without raising your voice and can continue talking on your cell phone. The “eco” setting lowers the engine throttle and noise when full load isn’t required. At half-throttle or less, from about 6 feet away it is about half as loud again, which makes it amazingly quiet. This can mean the difference between being able to use it without disturbing neighbors, campers, boat owners and so on. Do bear in mind that a few decibels softer can truly make a whole lot of difference since humans perceive an increase in 5 db of noise as almost two times as loud.

Starting it Up

Once you receive the portable generator, you just need to fill it with oil and gas and started it. It is rare to need more than one pull of the starter cord to get it started but the Yamaha EF2000iS scores for its quick and easy start-up. It is helpful that all controls are on one side on an integrated simple control panel. The fuel gauge is easy to see and read. The fuel system is easy to drain and dry for storage. Despite weighing around 50lbs when loaded with fuel, the large carrying handle makes it easy to transport.

Clean Energy for the Most Delicate of Devices

Built around an innovative inverter system, Yamaha EF2000iS portable generator delivers electricity that is cleaner and higher in quality than its competing generators producing energy by way of Sine Waves which is more reliable than other commercial power sources. This enables the unit to power the delicate machinery without worrying about the damage brought about by unrefined energy. Sensitive electronics can be used safely with the Yamaha EF2000is thanks to it’s inbuilt inverter, so you can use those laptops, ipods and televisions with confidence. It includes an overload breaker for damage prevention in case of overload.

Round-up of Yamaha EF2000iS Portable Generator Reviews on Amazon.com

Yamaha EF2000iS generator received very high ratings from online reviewers who purchased and used it with an exceptional average rating of 4.9 out of 5 stars. Most reviewers are very impressed with this nicely designed and high quality unit. It is quieter in “eco” throttle and even a bit quieter in full power. Even at full-engine speed you can stand about 6 feet away and have a normal conversation without raising your voice, or talk on a cell phone without undue distraction. It is much quieter than a boat’s inboard diesel engine and more efficient than running the main engine just to top off the batteries.  When used to power a heavy duty 120v grinder, it had no problems supplying the needed power, even on electric motor start-up.

One reviewer even preferred it over the Honda Eu 2000i due to its fuel gauge and he fact that its 2-pounds lighter.

The only downside is that the Yamaha portable generator ships without engine oil so you’ll need to buy a quart of standard 4-stroke engine oil yourself. You will also need a funnel and a pan to catch excess oil. There is no dipstick; you need to fill to the level of the bottom of the filler hole until any more runs out. It uses less than 3/4 quart.

After conducting extensive research on the Yamaha EF2000iS Portable Inverter Generator, we found out that majority of reviewers are satisfied with this product and its pros outweigh the cons so it gets our highest recommendation.

yamaha ef2000is review

The Bottomline – Is the Yamaha EF2000is Right for You?

The Yamaha EF2000iS easily emerged as my top choice, based on performance and reliability. What’s more, you’re guaranteed of quality from a popular manufacturer, Yamaha. Price-wise, it can be a little expensive for those who don’t intend to use it often but hey, you get the quality you pay for. My promise to you is this – once you’ve experienced the convenience of having your very own portable inverter generator that runs like a dream – you’ll find yourself yearning to head out more often – at least I did.

If you’ve prided yourself in purchasing good quality products, Yamaha EF2000iS Gas-Powered portable inverter generator won’t disappoint. powerful, portable, and efficient, delivering maximum electrical output without sacrificing portability. It can run up to 10 1/2 hours continuously without refueling. TwinTech technology allows you to hook up two units for added output. Added efficiency is provided by the smart throttle load feature, which means that it dynamically adjusts engine speed depending on output, resulting in greater overall fuel efficiency. If you add in the fact that the Yamaha EF2000iS comes with a two-year warranty then it is difficult to think of a better portable inverter generator.

RECOMMENDED – We suggest shopping online at Amazon.com. They carry the widest selection of garage doors with all the name brands. You get the lowest prices online and excellent customer service. Plus, we think that all the owner feedback and comments posted on Amazon for each particular garage door makes your buying decision easier.

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