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Yamaha EF2800i (Discontinued)

The Yamaha EF2800i is a compact and lightweight open frame inverter generator with a rated wattage of 2,500 W and a starting wattage of 2,800 W. (Read full specs)

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Yamaha EF2800iYamaha EF2800iYamaha EF2800i

This product was discontinued. For your convenience, we decided to leave this page up.
You might still find it second hand on eBay, by clicking on the button below.

Description

SMART POWER. 2800 maximum watts of output in a compact 66‑lb package equals exceptional power output to weight ratio.

Zoom on the Yamaha EF2800i

In a nutshell, the Yamaha EF2800i is a compact and lightweight portable inverter generator mostly geared towards:

  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals who want to be able to deliver results, even during a power failure
  • RV travellers wishing to enhance their freedom and nomad lifestyle

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Yamaha EF2800i in use

The Yamaha EF2800i

The Yamaha EF2800i houses a 171 cc (5.5 hp) Yamaha MZ175 OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 2,500W along with a peak wattage of 2,800W.

At a noise rating of 65 dBA (just slightly more noisy than background music), the inverter generator is started via a simple traditional 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.

The fuel capacity of 2.6 gallons allows the EF2800i to operate for up to 14.7 hours with a full tank (fuel consumption around 0.18 GPH).

The EF2800i generates a clean sine wave: providing <2.5% Total Harmonic Distortion (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel provides the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle

In addition, it provides 1 DC outlet: there's a 12V 10A receptacle with which you may charge your batteries with ease.

Even though this Yamaha generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor.

Portability

The design of the Yamaha EF2800i is a typical, open frame, with the dimensions of L19.2 x W15.6 x H16.7 in, offering support and stability and enabling the possibility of raising it above ground level. The featured design is ideal for the outdoors and all tough environments.

With a dry weight of 68 lbs, the EF2800i can easily follow you wherever your power needs are. Furthermore, the open frame of the generator further helps when holding and moving it to a different place.

Features

Panel of the Yamaha EF2800i

The EF2800i's control panel

When the generator is overloaded, the oil level is too low and the generator is ready, you will be informed by the featured light indicators.

Thanks to a built-in fuel gauge, the inverter generator allows you to quickly, conveniently and easily check the gas level at a glance.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), which gives you a complete peace of mind when using it.

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.

Besides the features previously mentioned, accessory-wise, the Yamaha EF2800i comes with the usual documentation and owner's manual (opens in a new tab) needed to get you promptly started.

Emissions

The Yamaha EF2800i is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor and therefore, can be used in forested areas.

Product Videos

The Yamaha EF2800i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF2800i compare to inverter generators of similar power (between 2000 and 3000 W).

  • Weight-wise, the Yamaha EF2800i has only 68 lbs, which renders it one of the lighter inverter generators which produce 2000 to 3000 rated watts. In terms of weight, one of the champions in their power range is the WEN 56360i, standing at just 46.3 lbs.
  • When compared to devices able to produce a similar running wattage, this inverter generator and its lowest emitted noise of 65 dBA is on the noisier side. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Honda EU3000iS, whose lowest noise levels reach just 50 dBA.
  • With a run time of up to 14.7 hours at 25% load, the EF2800i has one of the higher run times, compared to its similarly powerful peers. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Honda EU3000iS, as it provides up to 20 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This inverter generator reaches an estimated fuel consumption of 0.18 GPH (gallon per hour) at a 25% load, making it average, for the previously mentioned wattage range. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.08 GPH, the Westinghouse iGen2800 is a device you could look out for.
According to our stats, the following comparison is pretty popular: Yamaha EF2800i vs Honda EG2800i.

The bottom line

STRENGTHS:
  • GFCI Outlets
  • Inverter
  • Lightweight (68 lbs)
  • High run time
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • No parallel ports
  • Not CARB-compliant
  • On the noisy side (65 dBA)

Do you own the Yamaha EF2800i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine171 cc Yamaha MZ175 OHV 4-stroke
Starting systemRecoil
Warranty3 years
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts2,500 W
Starting watts2,800 W
Running amps20.8 amps
Peak amps23.3 amps
Run time @50% loadUnknown
Run time @25% load14.7 h
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
DC outlets1x 12V 10A receptacle
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankMetal, 2.6 gal
Fuel gaugeYes
Misc
Weight68 lbs
Approx. dimensions (L x W x H)19.2 x 15.6 x 16.7 in
Noise (lower limit)65 dBA
THD< 2.5%
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedNo
UPC799530396645

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.

Spec Improvement×

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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, many of their models are made in China, rather than Japan.

Warranty Information

The Yamaha EF2800i 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 homeMicrowave (1000 watts)15001500
Refrigerator (energy star)1921192
Radio100100
Total1792 W2792 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Toaster oven800800
Total1990 W2580 W
For workGrinder14002500
Drain cleaner250250
Total1650 W2750 W
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