The Yamaha EF3000iS is a quiet inverter generator with a rated wattage of 2,800 W and a starting wattage of 3,000 W. (Read full specs)
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Description
Zoom on the Yamaha EF3000iS
In a few words, the Yamaha EF3000iS is a quiet portable inverter generator perfectly suited for:
- Handcrafting enthusiasts who wish to work on-the-go
- Homeowners in need of an emergency backup power for their essentials
- Camping and tailgating buffs looking to enhance their experience
- 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.
Power & Run Time
The Yamaha EF3000iS
Running on gasoline, the Yamaha EF3000iS 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 3,000W.
Operating with a noise level of 54.5 dBA (just slightly more noisy than rainfall), the inverter generator starts up via a manual recoil starter system.
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 its 3.4 gallons fuel tank, the EF3000iS can operate for up to 18.6 hours when fully fueled (with fuel usage averaging around 0.18 GPH).
Sensitive electronics can be safely plugged in the AC outlets, as the EF3000iS produces a clean sine wave, with a <3% Total Harmonic Distortion (THD).
Outlets
The control panel is equipped with the following 3 AC outlets:
Though it may not be labeled as 'RV Ready,' this Yamaha generator offers the benefit of hassle-free RV connectivity through its L5-30R receptacle, allowing you to easily power your RV with the assistance of an L5-30P to TT-30R adaptor.
Portability
As the Yamaha EF3000iS is an inverter generator, its encased design (L26.8 x W17.5 x H21.9 in) offers more aesthetics than a conventional, open frame product. The design follows the contemporary trends and is perfect for recreationally generating power.
Though weighing 136 lbs, the generator remains classified as 'portable,' indicating its capability to be moved, though its weight could pose transport challenges. However, the lack of maneuverability can be offset with its set of 4 wheels and its double handle, which allows for convenient shifting once the generator is placed on the ground.
Features
The EF3000iS's control panel
Some light indicators allow you to instantly see if the oil level is too low, the generator is on overload and the generator is ready.
The built-in fuel gauge of the inverter generator ensures simple and quick gas level assessments.
Regarding security, the generator comes with an automatic low oil shut-off (Oil Watch system) and an overload protection (circuit breaker), providing peace of mind during operation.
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 usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Yamaha also included a battery charging cables in the EF3000iS's packaging.
Product Video
The Yamaha EF3000iS versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF3000iS compare to inverter generators of similar power (between 2500 and 3500 W).
- With a weight of 136 lbs, the Yamaha EF3000iS sits in the heavier end of the spectrum among inverter generators rated from 2500 to 3500 watts. In terms of weight, one of the champions in their power range is the Pulsar PGD40iSCO, standing at just 46 lbs.
- As its lowest possible noise is rated at 54.5 dBA, this inverter generator qualifies as one of the more quiet of the products of similar type and power. If noise emissions are one of your priorities, you may be interested in the Honda EU3000iS, one of the least noisy generators similarly powerful as this one, rated for 50 dBA.
- With up to 18.6 hours of runtime at 25% load, the EF3000iS provides a higher run time when compared to similarly powerful inverters. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Champion 200977, as it provides 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. The inverter generator utilizes approximately 0.18 GPH of gasoline at a 25% load, placing it within the typical range of fuel consumption seen in products of comparable wattage. If you're placing a high priority on fuel consumption, the Energizer eZV3500P, with a low fuel consumption rate of 0.13 GPH, could be an option to consider.
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 EF3000iS 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
- CO Sensor
- Inverter
- Quiet for its power (54.5 dBA)
- High run time
- Made in Japan
- Decent fuel efficiency
- On the expensive side
- No data center
- No electric start
- No parallel ports
- On the heavy side (136 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 |
| Warranty | 3 years |
| Voltage | AC: 120V 60 Hz |
|---|---|
| Running watts | 2,800 W |
| Starting watts | 3,000 W |
| Running amps | 23.3 amps |
| Peak amps | 25 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 | 136 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 charging cables |
| Country of origin | Japan |
| UPC | 810856030645 |
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.
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 EF3000iS 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 | Electric fry pan | 1500 | 1500 |
| Refrigerator (energy star) | 192 | 1192 | |
| Slow cooker | 270 | 270 | |
| Cell phone charger | 20 | 20 | |
| Total | 1982 W | 2982 W | |
| For camping | RV AC (11,000 BTU) | 1010 | 1600 |
| RV refrigerator | 180 | 600 | |
| Toaster oven | 800 | 800 | |
| Mixer | 200 | 200 | |
| Pair of small speakers | 45 | 45 | |
| Total | 2235 W | 2825 W | |
| For work | Grinder | 1400 | 2500 |
| Drain cleaner | 250 | 250 | |
| Bug zapper | 80 | 80 | |
| Total | 1730 W | 2830 W |
Couldn't find the right answer for you? Ask your own question.
