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Yamaha EF2000iSHv2 Spec Review

The Yamaha EF2000iSHv2 is a quiet, compact and lightweight portable inverter generator with a rated wattage of 1600 W and a starting wattage of 2000 W.

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Description

The EF2000iSv2, with a classic blue skin, is an alternate version of this model.
POWER‑PACKED, QUIET, LIGHTWEIGHT AND CAMO. Our most popular inverter, the EF2000iSv2, now outfitted RealTree® camo.

Zoom on the Yamaha EF2000iSHv2

In summary, the Yamaha EF2000iSHv2 is a quiet, compact and lightweight portable inverter generator especially useful for:

  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • DIYers who wish to improve their efficiency with tools

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Yamaha EF2000iSHv2 in use

The Yamaha EF2000iSHv2

The Yamaha EF2000iSHv2's design includes a gasoline-fueled 79 cc Yamaha MZ80 OHV 4-stroke engine. With a 120V output, it gives a running wattage of 1600W and also a peak wattage of 2000W. In addition, the device is parallel capable (Twin Tech cable (opens in a new tab) not included) and thus, can be linked to a similar or compatible unit for added power.

At a noise rating of 51.5 dBA (just slightly more noisy than a refrigerator), the inverter generator is started via a conventional pull-start mechanism.

This generator features Yamaha's Smart Throttle™. This load-sensing feature automatically adjusts engine speed to match its load in order to offer greater fuel efficiency and noise reduction.

With a full tank, the EF2000iSHv2 can operate for up to 10.5 hours (fuel consumption around 0.1 GPH), thanks to its fuel capacity of 1.1 gallon.

Sensitive electronics can be safely plugged in the AC outlets, as the EF2000iSHv2 produces a clean sine wave, with a <2.5% Total Harmonic Disruption (THD).

Outlets

The control panel includes the following 2 AC outlets:

Duplex 120V 20A (5-20R)

Furthermore, it has 1 DC outlet: there's a 12V 8A receptacle allowing you to easily charge your batteries.

Portability

Since the Yamaha EF2000iSHv2 is an inverter generator, its closed design (L19.3 x W11 x H17.9 in) has an esthetical advantage over conventional, open frame devices. This modern design aims to provide an ideal power solution to recreational users.

With a weight of only 44.1 lbs, the EF2000iSHv2 may be viewed as a lightweight and portable generator. A single person should not have any problems moving it around and thus, enjoy power availability on-the-go. It can also be carried without effort with a featured handle (molded in the case), further improving its convenience.

Features

Several light indicators serve to show you when its oil levels are insufficient, the generator is ready and the generator is on overload.

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the inverter generator.

From a security point of view, the generator is equipped with an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), giving you a peace of mind during use.

Yamaha's Oil Watch warning system gives you an extra peace of mind. This feature enhances long-term durability by preventing engine damage and costly repairs. Once the oil begins to run low, the generator automatically shuts off and cannot be re-started until oil is added.

Along with the aforementioned features, from an accessory standpoint, the Yamaha EF2000iSHv2's box includes the typical documentation and an owner's manual (opens in a new tab), which will help you start your generator promptly. An official storage cover is available, as a separate purchase.

Emissions

The Yamaha EF2000iSHv2 is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

Product Video

The Yamaha EF2000iSHv2 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF2000iSHv2 compare to generators of similar power (between 1500 and 2500 W).

  • Regarding its weight, the Yamaha EF2000iSHv2 only weighs in at 44.1 pounds, which means it's one of the lighter generators in the 1500-2500 rated wattage range. Regarding dry weight, one of the champions in the same power range is the Champion 200949, with a dry weight of only 38.6 lbs.
  • Since this inverter generator is rated for a lowest possible noise of 51.5 dBA, it can be considered as one of the more quiet of the products generating similar power. If you are concerned with noise, check out the Honda EU2200i, which is one of the least noisy generators in its power range, with a noise rating of just 48 dBA.
  • Offering up to 10.5 hours of running time on a full tank at 25% load, the EF2000iSHv2 is within the average autonomy range of similarly powerful generators. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Westinghouse WGen2000, which is able to run for up to 26 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. This inverter generator can be considered as fuel efficient, due to its low estimated fuel consumption of only 0.1 GPH (gallon per hour) at 25% load, within the aforementioned wattage range. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.08 GPH, the Predator 2000 is a device you should look out for.

Price comparison

As you can see from this interactive chart, when compared to other 1500-2500W generators, the Yamaha EF2000iSHv2 is on the expensive side of the price range.

While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Parallel capable
  • Inverter
  • Lightweight (44.1 lbs)
  • Quiet for its power (51.5 dBA)
  • Fuel efficient
AVERAGE SPECS:
  • Decent run time
WEAKNESSES:
  • On the expensive side
  • No data center
  • No electric start

Do you own the Yamaha EF2000iSHv2 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine79 cc Yamaha MZ80 OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts1600 W
Starting watts2000 W
Running amps13.3 amps
Peaks amps16.7 amps
Run time @50% loadUnknown
Run time @25% load10.5 h
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets1x 12V 8A
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tank1.1 gal
Fuel gaugeYes
Misc
Weight44.1 lbs
Approx. dimensions (L x W x H)19.3 x 11 x 17.9 in
Noise (lower limit)51.5 dBA
THD< 2.5%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedNo
Warranty3 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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About Yamaha

With a rich history of over 130 years, the Japanese based Yamaha Corporation, founded in 1887, has tipped its fingers in every industry imaginable, most notably motorcycles, musical instruments and electronics. The company boasts with a wide range of products, including many of the top rated portable generators. However, it has been reported that many of the newer models are made in China, rather than Japan.

Warranty Information

The Yamaha EF2000iSHv2 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Yamaha generators, please consult Yamaha's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-962-7926.

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizing calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Toaster oven800800
Total992 W1992 W
For campingRV refrigerator180600
RV AC (11,000 BTU)10101600
Bug zapper8080
Total1270 W1860 W
For workDemolition hammer12601260
Total1260 W1260 W

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