Labor Day
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)
Get this unit while retailer inventory lasts, as Yamaha no longer produces this model.
Amazon 
Overton's Price history for the Yamaha EF3000iSEB
Page Content
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.
Zoom on the Yamaha EF3000iSEB
In summary, the Yamaha EF3000iSEB is a quiet portable inverter generator especially useful for:
- 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
- Camping and tailgating buffs looking to enhance their experience
- RV travellers looking for even more independence
In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.
Power & Run Time
The Yamaha EF3000iSEB
Running on gasoline, the Yamaha EF3000iSEB operates with a 171 cc Yamaha MZ175 OHV 4-stroke engine, delivering 120V, with a running wattage of 2,800W and a peak wattage of 3,500W.
Operating with a noise rating of 54.5 dBA (just slightly more noisy than rainfall), this inverter generator offers two starting options: a manual recoil starter system and a simple and elegant 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.
The EF3000iSEB's fuel tank holds 3.4 gallons, ensuring uninterrupted operation for up to 18.6 hours with a full tank (fuel consumption approximately 0.18 GPH).
The EF3000iSEB generates a clean sine wave: providing <3% Total Harmonic Distortion (THD), delicate electronics can be plugged in its AC outlets safely.
Outlets
The control panel provides the upcoming 3 AC outlets:
While this Yamaha generator is not RV Ready, its L5-30R receptacle can be used for a simple RV connection with an L5-30P to TT-30R adaptor.
Portability
With its enclosed inverter generator design (L26.8 x W17.5 x H21.9 in), the Yamaha EF3000iSEB offers superior aesthetics and operates with minimized noise levels, distinguishing itself from standard, open frame generators. The design follows the contemporary trends and is perfect for recreationally generating power.
While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 156 lbs. However, the limited maneuverability is remedied with its set of 4 wheels and its double handle, facilitating convenient shifting once the generator is positioned on the ground.
Features
The EF3000iSEB's control panel
Some light indicators allow you to instantly see if the generator is ready, the generator is on overload and the oil level is too low.
Featuring a built-in fuel gauge, the inverter generator offers quick, convenient, and easy gas level checks at a glance.
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.
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).
- Tipping the scales at 156 lbs, the Yamaha EF3000iSEB qualifies as one of the heaviest options among inverter generators rated between 2500 and 3500 watts. If you are mindful of weight, the Pulsar PGD40iSCO is among the top contenders in this power range, with a dry weight of 46 pounds.
- With a lowest possible noise of 54.5 dBA, this inverter generator places itself amongst the more quiet of the products delivering similar power. If noise emissions are important to you, one of the least noisy generators of this power range is the Honda EU3000iS with only 50 dBA.
- With a run time of up to 18.6 hours at 25% load, the EF3000iSEB has one of the higher run times, compared to its similarly powerful peers. If prolonged run time is essential to your needs, you could consider the Champion 200977, which offers one of the highest autonomy among devices with similar power output, lasting up to 22 hours.
- The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. With an estimated fuel consumption of 0.18 GPH at a 25% load, this inverter generator aligns with the average gasoline usage range of comparable products. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.14 GPH, the Honda EU3200i is a device you could look out for.
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 average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- CO sensor
- Electric start
- Inverter
- Quiet for its power (54.5 dBA)
- High run time
- Made in Japan
- Decent fuel efficiency
- 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
| Inverter | Yes |
|---|---|
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 171 cc Yamaha MZ175 OHV 4-stroke |
| Starting system | Recoil, Electric |
| Warranty | 3 years |
| Voltage | AC: 120V 60 Hz |
|---|---|
| Running watts | 2,800 W |
| Starting watts | 3,500 W |
| Running amps | 23.3 amps |
| Peak amps | 29.2 amps |
| Run time @50% load | Unknown |
| Run time @25% load | 18.6 h |
| GFCI outlets | No |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | Inverter |
| AC outlets |
|
| DC outlets | No |
| Data center | No |
| Indicators | Low oil, overload and output ready |
| Fuel tank | Metal, 3.4 gal |
| Fuel gauge | Yes |
| Weight | 156 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% |
| Compliance | CARB, EPA |
| Security | Low oil and overload protection, CO monitoring |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Battery |
| Country of origin | Japan |
| UPC | 799530396652 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
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 were made in China, rather than Japan. In 2023, Yamaha transfered its Power Products business to Willbe Co., Ltd. Yamaha generators are now no longer manufactured, with sales limited to existing stock.
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?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Dish washer | 1500 | 3000 |
| Refrigerator (energy star) | 192 | 1192 | |
| Slow cooker | 270 | 270 | |
| Cell phone charger | 20 | 20 | |
| Total | 1982 W | 3482 W | |
| For camping | RV AC (11,000 BTU) | 1010 | 1600 |
| RV refrigerator | 180 | 600 | |
| Water heater (10 gallons) | 1000 | 2000 | |
| Pair of small speakers | 45 | 45 | |
| Total | 2235 W | 3235 W | |
| For work | Grinder | 1400 | 2500 |
| Reciprocating saw | 730 | 960 | |
| Bug zapper | 80 | 80 | |
| Total | 2210 W | 3310 W |
What kind if oil is needed (Asked June 21, 2021)
For general, all-temperature use, SAE 10W-30 is recommended.
Couldn't find the right answer for you? Ask your own question.
User Reviews
No data center because this is old as school design. I own this and a Cummins 4500 made by Westinghouse. The Cummins has more features but is cheaply constructed and has an automatic choke that is prone to failures. When its -30 and I’m 5 miles out on a frozen lake, give me the Yamaha. Too bad they will no longer be manufactured in Japan. The market is saturated with cheap Chinese generators.