Yamaha EF2000iSV2 Review – Best Gas Powered Generator

Let us review one of the best portable, quiet, and easy carrying generators; The Yamaha EF2000iSV2. It performs really well having minimal noise, ultimate portability, and exceptional features. The best thing to have with you is a portable generator as it provides incredible ease. One should be well-prepared for any misery or natural happenings and this generator is an excellent tool to have during difficult times. If power loss or electricity shutdown happens, it will be there to provide you with remarkable power. Moreover, the generator serves as one of the most suitable ones for camping purposes or to be taken to remote areas.

Yamaha EF2000iSV2 Review – Is it Really Worth it?

Yamaha EF2000iSV2 Review

Overview of the 2nd version of the mighty generator:

Being the 2nd version, the manufacturers have provided some improved details and enhanced features. The innovative technologies are integrated together with quality features embedded. A spark plug is provided to enhance the maintenance and to have the right operation. It is further equipped with a 1-volt battery cord that smoothens its running and guarantees easy working. This model is designed so as to be really friendly and easy to operate.

With a pretty simple start and easy controls, it really is the perfect generator you can have if you are in search of user-friendly generators with detailed instructions provided. Yamaha is a highly reputable company and has earned its name in the manufacture of portable generators. Undoubtedly EF2000iSV2 is the exemplary model they have manufactured to date. This unique and classy model has similar aesthetics to a retro radio.

Yamaha EF2000iSv2 – Gas Powered Generator:

For clean and safe power transmittance, the model is equipped with PWM (Pulse Width Modulation) that promises utmost safety for your sensitive devices and other appliances. Strong and effective construction offers remarkable durability. Approved by EPA standards and being CARB complaints, it has taken the lead with the less noisy operation, incredibly lightweight, and excellent portability.

Yamaha EF2000iSv2 1600-W Generator

Yamaha EF2000iSV2 Review - Best Gas Powered Generator


  • The tank capacity is 1.1 gallons
  • The engine is sturdily constructed with air-cooled cylinders, OHV engine, and iron liner provided.
  • Moreover, it is a single-cylinder with 4 stroke cycle.
  • The maximum alternating current output of 2000watts is achieved
  • Rated and running wattage of 1600 watts
  • The maximum current is obtained of 16.7 amperes at 120 volts.
  • The running current of 13.3 amperes is achieved.
  • The DC output of 8 amperes is achieved at just 12 volts
  • 44.1 pounds of weight
  • Size is quite compact
  • Exact dimensions: 19.3 x 11.0 x 17.9 in
  • Three output plugs are provided, one is 12V DC while the other two are 120V AC
  • 3 years of warranty is provided
  • With the cable provided, it is parallel ready
  • The inverter is also provided
  • Recoil startup
  • Equipped with fuel gauge
  • For additional safety, the oil warning is also provided with a light indication
  • Auto shutoff in case of low oil

Noise Level:

Usually, the generators are quite noisy. As the world and industries are advancing, the generators are made for quiet operation and Yamaha is totally on the lead when it comes to this. The sound of only 51.5 decibels is generated at quarter-load which is incredibly low and quite satisfying. With you standing at a reasonable distance, no sound can be heard.

To compare with a reasonable standard, the noise is as low as the quiet conversation happening between two people. The sound increases with the increase in load but the maximum it can get is just 61 decibels. It is the same as the background noise generated in the office. It is as quiet as to never disturb the neighbors or the people sitting far away.

The portability, lightweight make it right for camping and other purposes. This quiet noise is achieved through multiple technologies. The throttle system, induced muffler, and noise-damping rubber vibration make it what it is.

Gas Capacity:

With a peak wattage of 2000 watts together with a running wattage of 1600 watts, the generator offers a suitable and high power that portable generators usually fail to give. It will take as long as 8 hours to last if used on 500 watts of load. Isn’t that simply astounding? The rated Ac current achieves 13.3 amperes whereas the maximum one goes by 16.7 amperes when we use it at 120 volts.

The DC current can achieve a maximum of 8 amperes that too at 12 volts only. With a fuel tank having an incredible capacity of 1.1 gallons which lasts over 10 hours this is quite long and fascinating. These stats are appropriate when we talk about using it at quarter load. Taking about 0.4 liters of oil, it requires to be changed after every 6 months.


Oil is to be added for the first-ever time you use it as oil is not already included in Yamaha EF2000iSV2.The most recommended option for oil is Yamalube-4. Other options are SAE 10W-30 or else you can go for 10W-40. Due to small openings, the oil needs to be filled using a funnel. Use the manufacturer’s maintenance for using it the right way and absolute best results.

The instructions are provided in the manual of the V1 version. This manual has detailed instructions such as how you should change spark plugs and work with fuel filters. Use the assistance of the authorized dealer to operate the generator by a professional. Although the generator is provided with a long warranty period of 3 years it is canceled if proper maintenance is avoided or any other parts are attached.

What is different from EF200iSV1?

The new version has an advanced capacity for programming. The output is enhanced. It has the exceptional power to connect to a number of devices and has a variety of applications. Else, it is quite similar to the previous model.


It is reported that issues are found with oil consumption after using it for a long. Other issues arise due to not reading the manual attentively and can be figured out with troubleshooting. If proper maintenance is provided, almost no issues would prevail.

Final Verdict:

  • Oil warning available
  • Smart throttle
  • Clean energy
  • Incredible power
  • Quiet
  • Enhanced fuel economy
  • Aesthetic design
  • Very expensive when compared to other competitors
Yamaha EF2000iSv2 infographic detailes


Frequently Asked Questions

What can a Yamaha EF2000iS run?

Yamaha EF2000iS can run 10.5 hours with 25% of the load.

Are Yamaha Generators any good?

Yamaha is a company manufacturing the best generators and they are super cool for any type of use.


The generator not only stops at its incredibly low weight and utmost portability, but it also has much more to it. It comes with a handle to provide you perfect grip. It has a lot to consider for purchasing. Most importantly, it is very portable, weighs low, and can be transported with remarkable ease. Possessing plenty of power, it can be used on multiple appliances. Its aesthetically appealing design makes one wanting it more.

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