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Yamaha EF3000iSEB Spec Review

The Yamaha EF3000iSEB is a quiet inverter generator with a rated wattage of 2800 W and a starting wattage of 3500 W.

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Description

The Yamaha EF3000iSEB is one of the most technologically advanced inverter generators available. Get that extra “boost” of power to get your power tool or air conditioner started quickly and efficiently thanks to the EF3000iSEB generator from Yamaha. The “B” on EF3000iSEB means it features Yamaha Boost Technology®, which provides additional power when you need it. Perfect for the RV enthusiast, the EF3000iSEB is an ideal source of power for either a fifth wheel or travel trailer. The Boost Control Unit in the generator automatically senses when you need additional boost and uses power from the internal 12-volt battery to produce additional amperage. With the additional 10-second boost, the power is comparable to a conventional 3500-watt generator. (source: Yamaha (opens in a new tab))

Zoom on the Yamaha EF3000iSEB

In a nutshell, the Yamaha EF3000iSEB is a quiet portable inverter generator mostly geared towards:

  • DIYers who wish to improve their efficiency with tools
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Camping and tailgating buffs looking to enhance their experience
  • RV travellers looking for even more independence

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 EF3000iSEB in use

The Yamaha EF3000iSEB

The Yamaha EF3000iSEB's engine, 171 cc Yamaha MZ175 OHV 4-stroke, fueled by gasoline, can deliver 120V. It provides a running wattage of 2800W and reaches a peak wattage of 3500W.

At a noise rating of 53 dBA (just slightly more noisy than a conversation at home), this inverter generator can be started via a simple traditional pull-start mechanism, or a convenient and easy-to-use electric starter (battery included).

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 fuel capacity of 3.4 gallons, the EF3000iSEB may run for up to 18.6 hours with a full tank (fuel consumption around 0.18 GPH).

The EF3000iSEB generates a clean sine wave: providing <3% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel features the upcoming 3 AC outlets:

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

Additionally, it features 1 DC outlet: there's a 12V 12A receptacle with which you may charge your batteries with ease.

This Yamaha generator isn't quite RV Ready, but it features an L5-30R receptacle, allowing a simple RV connection through an L5-30P to TT-30R adaptor.

Portability

The Yamaha EF3000iSEB's characteristic encased inverter generator design (L26.8 x W17.5 x H21.9 in), provides an esthetical advantage over any ordinary, open frame product. This modern design aims to provide an ideal power solution to recreational users.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 154.3 lbs make it incredibly difficult to manually lift and transport. However, this lack of maneuverability is compensated by its set of 4 wheels and its double handle, with which you can conveniently shift it, once it's on the ground.

Features

Panel of the Yamaha EF3000iSEB

The EF3000iSEB's control panel

Some light indicators allow you to instantly see if the oil level is too low, the generator is ready and the generator is overloaded.

The inverter generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off (Oil Watch system) and an overload protection (circuit breaker).

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.

Accessory-wise, along with the previously mentioned features, the Yamaha EF3000iSEB is packaged with the standard documentation and an owner's manual (opens in a new tab), helping you start the device right away. An official storage cover is available, as a separate purchase.

Emissions

The Yamaha EF3000iSEB is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor, which makes it suitable for use in forested areas.

Product Videos

The Yamaha EF3000iSEB versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF3000iSEB compare to generators of similar power (between 2500 and 3500 W).

  • With its weight of 154.3 lbs, the Yamaha EF3000iSEB is one of the heavier generators in the 2500-3500 rated wattage category. If weight is your top priority, one of the champions in this power category is the Generac GP3300i, weighing just 59.5 pounds.
  • With a lowest possible noise of 53 dBA, this inverter generator places itself amongst the more quiet of the products delivering similar power. For those who are looking for a less noisy device, we suggest the Honda EU3000iS. With just 50 dBA, it is one of the most quiet devices in this power range.
  • Thanks to an impressive running time of up to 18.6 hours at 25% load, the EF3000iSEB benefits from a higher run time than many generators of a similar output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Champion 200954, boasting with up to 22 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. Standing at an estimated 0.18 GPH (gallon per hour) at a 25% load, this inverter generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Energizer eZV3200P. With a fuel consumption of as little as 0.13 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Yamaha EF3000iSEB 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:
  • Electric start
  • Inverter
  • Quiet for its power (53 dBA)
  • High run time
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • On the expensive side
  • No data center
  • No remote start
  • No parallel ports
  • On the heavy side (154.3 lbs)

Do you own the Yamaha EF3000iSEB and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine171 cc Yamaha MZ175 OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts2800 W
Starting watts3500 W
Running amps23.3 amps
Peaks amps29.2 amps
Run time @50% loadUnknown
Run time @25% load18.6 h
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outlets1x 12V 12A receptacle
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankMetal, 3.4 gal
Fuel gaugeYes
Misc
Weight154.3 lbs
Approx. dimensions (L x W x H)26.8 x 17.5 x 21.9 in
Noise (lower limit)53 dBA
THD< 3%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedBattery
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 EF3000iSEB 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 wattage calculator.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
Refrigerator (energy star)1921192
Blender400850
Radio100100
Pair of small speakers4545
Total2237 W3237 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Toaster oven800800
Mixer200200
Pair of small speakers4545
Total2235 W2825 W
For workGrinder14002500
Reciprocating saw730960
Bug zapper8080
Total2210 W3310 W

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