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 stocks last, because Yamaha discontinued its production.
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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.
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
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
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).
- Weighing in at 156 lbs, the Yamaha EF3000iSEB is one of the heaviest inverter generators available in the 2500-3500 rated wattage segment. If weight is a key factor for your needs, the Pulsar PGD40iSCO is noteworthy for being one of the top contenders in this power range, with a dry weight of 46 pounds.
- At just 54.5 dBA rated noise level, this inverter generator is positioned as one of the quieter choices among devices delivering similar type and 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.
- Since the EF3000iSEB boasts with a run time of up to 18.6 hours at 25% load, it can be safely judged as a device of a higher run time than most inverter generators of a comparable output. If extended autonomy is what matters most to you, the Champion 200977 could be an excellent choice, offering one of the longest run times among units in its power category, reaching up to 22 hours.
- Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. 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 not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Honda EU3200i. With a fuel consumption of as little as 0.14 GPH, it is one of the most efficient generators currently on the market.
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)
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.