Yamaha EF2000iSv2 Gas Powered Portable Inverter

Yamaha EF2000iSv2 Gas Powered Portable Inverter

Anyone in the market to buy generators will be looking for one that offers plenty of features, ease of use, better wattage, durability, attractive looks and affordability. The Yamaha EF2000iSv2, gas powered portable inverter generator is one of the best inverter generators which is fuel efficient and quieter than some of the other similar products available in the market.

This is the handy power source for your emergency power needs or for camping purposes. With the special features in this portable inverter, you will be able to regulate the engine speed according to the load requirement and this saves you fuel. Being CARB compliant, you don’t have to worry about emission and environmental pollution when using this inverter.

This product will be suitable for all your average to small power needs. When you need to carry power sources for camping purpose or for partying then this lightweight and compact product will be the best choice you can find. You can use this to power different range of applications according to your need.


With the features and performance offered by Yamaha EF2000iSv2, you will find this a good alternative for portable power needs. The features of this product include

  • Starting power of up to 2000 watts and running power of 1600 watts
  • Compact and light-weight with less than 45 pounds
  • Pure sine wave for quality and clean power
  • Built in inverter with Pulse Width Modulation (PWM) control
  • Controller with advanced programming allows different applications
  • Smart throttle with load sensing rpm control and hence long run time for the inverter
  • Ability to operate in parallel connection


  • Economy mode switch for fuel efficiency
  • Lower noise level up to 51 to 61 dBA
  • Fuel economy by adjusting engine speed based on load
  • Easier starting through automatic decompression
  • Easy access to controls and fuel gauge
  • Auto warms up for high power demand for cold starts
  • CARB compliant
  • Limited warranty of 3 years


  • Runs only on gasoline
  • There is no oil drain, hence need to tilt the unit to drain oil
  • Replacing the 12 v charging plug is a bit difficult
  • Easy to tip over during transportation if not secured properly


The Yamaha EF2000iSv2 is better than its predecessor and a strong contender in the group of inverter power generators that produce 2000 watts. If you are looking for clean AC power provider for your sensitive equipment which is feature filled and affordable, then this is the best choice you can find.

When operating under 400-watt power load, the noise level is only 52 dBA and when operating at 1600 watts it reaches to 61 dBA. This is far lower than other similar sized products. The portability, the DC outlet, low noise operation, the built-in inverter, etc., makes this a good product for camping needs.

There is no restriction for using this product for extended hours in California as it comes with CARB compliance. The air index of this product is 3 that mean it is less polluting to the environment. With regular fuel checking and maintenance, you will be able to use this product for years without any glitch.


Comparing different product and their features will enable you to find out which product is suitable for your requirements and what are the pros and cons of the similar products. The Honda EU2000I 2000 watt inverter generator and the WEN 56200i are similar to Yamaha EF2000iSv2, but with certain different features.

The WEN 56200i and the Honda EU2000I also produce safe and clean power with low noise level. However, the fuel tank capacity of the Honda is less than the Yamaha and it weighs 46 pounds. The WEN 56200i is heavier than the other two with 48 pounds and the fuel tank capacity is 1 gallon.

Hence, Yamaha is the best option for portable power generation with less than 45 pound weight and 1.1 gallon fuel tank capacity and 10.5 hours run time with ¼ rated load.  The run time of the other products is less than that of Yamaha. Honda is the costliest comparing the other two.


The Yamaha EF2000iSv2 is a product with reliable design and trouble free performance. Though Yamaha has a smaller motor, it is capable of providing more run time. This machine is well suited for use during power outages, on construction sites, for a fishing trip and for campgrounds.

It is the ideal power source for television, computers, smart phones, tablets, small power tools and other smaller electrical and electronic items. You don’t have to worry about voltage fluctuations and sparks as the product comes with USFS-approved spark arrestor.

As the product comes with a limited warranty of 3 years, you don’t have to worry about the cost of repairing the Yamaha EF2000iSv2 if something goes wrong. With the reputed company backing, you can expect good after sales service. You will not have to regret your decision to purchase this product.

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