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Yamaha EF3000iSEB - 2800/3500W Inverter Generator With Electric Start

The Yamaha EF3000iSEB is a quiet inverter generator with a rated wattage of 2,800 W and a starting wattage of 3,500 W. (Read full specs)

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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 short, the Yamaha EF3000iSEB is a quiet portable inverter generator adequately designed for:

  • DIYers who wish to improve their efficiency with tools
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Camping and tailgating buffs looking to enhance their experience
  • RV travellers looking for even more independence

The subsequent sections will explore in detail its power characteristics, the diverse outlets it provides, its overall portability, and the supplementary features it offers.

Power & Run Time

The Yamaha EF3000iSEB in use

The Yamaha EF3000iSEB

Running on gasoline, the Yamaha EF3000iSEB utilizes a 171 cc Yamaha MZ175 OHV 4-stroke engine to deliver 120V, offering a running wattage of 2,800W and a starting wattage of 3,500W.

The inverter generator is rated for a noise of 54.5 dBA (just slightly more noisy than rainfall). Its starting mechanisms include a classic hand-operated recoil starting mechanism and an intuitive and practical 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 <3% Total Harmonic Distortion (THD) of the EF3000iSEB ensures a clean sine wave output, providing a secure power source for your sensitive electronics through its AC outlets.

Outlets

The control panel is equipped with the following 3 AC outlets:

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

This Yamaha generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready.

Portability

Since the Yamaha EF3000iSEB is an inverter generator, its closed design (L26.8 x W17.5 x H21.9 in) not only provides an aesthetic advantage but also contributes to reduced noise levels compared to conventional, open frame devices. This type of design is the most modern and convenient way to recreationally generate power.

While technically classified as 'portable' due to its ability to be moved, the 156 lbs of this generator make manual lifting and transportation incredibly difficult. Nevertheless, the restricted maneuverability is counteracted by its set of 4 wheels and its double handle, enabling easy shifting once the generator is set in place.

Features

Panel of the Yamaha EF3000iSEB

The EF3000iSEB's control panel

Some light indicators allow you to instantly see if its oil levels are insufficient, the generator is ready and the generator is on overload.

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

In terms of security, the generator features an automatic low oil shut-off (Oil Watch system) and an overload protection (circuit breaker), ensuring peace of mind during its 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.

It also includes a carbon monoxide sensor. This sensor is designed to monitor the level of carbon monoxide present during the generator's operation. If the generator is positioned incorrectly and carbon monoxide levels rise to an unsafe level, the generator will automatically shut down.

Besides the features previously mentioned, accessory-wise, the Yamaha EF3000iSEB comes with the usual documentation and owner's manual (opens in a new tab) needed to get you promptly started.

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 inverter generators of similar power (between 2500 and 3500 W).

  • At a dry weight of 156 pounds, the Yamaha EF3000iSEB is one of the heaviest inverters which can produce between 2500 and 3500 running watts. If you are concerned by weight, one of the champions in the above-mentioned power range is the Pulsar PGD40iSCO, with a dry weight of just 46 pounds.
  • Since this inverter generator is rated for a lowest possible noise of 54.5 dBA, it can be considered as one of the more quiet of the products generating similar power. 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.
  • In terms of run time, the EF3000iSEB surpasses similarly powerful inverters, boasting one of the higher run times at up to 18.6 hours. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Champion 200977, reaching up to 22 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. As this inverter generator uses an estimated 0.18 GPH (gallon per hour) at a 25% load, it finds itself in the average gasoline consumption range of similar products. If gasoline efficiency is at the top of your list, you may want to have a look at the Energizer eZV3500P, which has great fuel efficiency, with a gas consumption of only 0.13 gallons per hour.

Here's a list of the most popular specific comparisons:

Price comparison

As you can see from these interactive charts, when compared to other 2500-3500W inverter 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:
  • CO Sensor
  • Electric start
  • Inverter
  • Quiet for its power (54.5 dBA)
  • High run time
  • Made in Japan
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • On the expensive side
  • No data center
  • No remote start
  • No parallel ports
  • On the heavy side (156 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
Parallel capableNo
RV readyNo
FuelGasoline
Engine171 cc Yamaha MZ175 OHV 4-stroke
Starting systemRecoil, Electric
Warranty3 years
Power
VoltageAC: 120V 60 Hz
Running watts2,800 W
Starting watts3,500 W
Running amps23.3 amps
Peak 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 outletsNo
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankMetal, 3.4 gal
Fuel gaugeYes
Misc
Weight156 lbs
Approx. dimensions (L x W x H)26.8 x 17.5 x 21.9 in
Noise (lower limit)54.5 dBA
THD< 3%
ComplianceCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralFloating
Accessories includedBattery
Country of originJapan
UPC799530396652

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, many of their 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 generator size 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
What kind if oil is needed (Asked June 21, 2021)

For general, all-temperature use, SAE 10W-30 is recommended.

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