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Description
Zoom on the Yamaha EF3000iS
In a nutshell, the Yamaha EF3000iS is a quiet portable inverter generator mostly geared towards:
- DIYers who wish to improve their efficiency with tools
- Homeowners in need of an emergency backup power for their essentials
- Tailgating and campground aficionados with the desire of enjoying power anywhere they go
- RV travellers wishing to enhance their freedom and nomad lifestyle
In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.
Power & Run Time
The Yamaha EF3000iS
The Yamaha EF3000iS is powered by a 171 cc Yamaha MZ175 OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 2800W as well as a peak wattage of 3000W.
The inverter generator features a simple traditional pull-start mechanism. It is rated for a noise of 53 dBA (just slightly more noisy than a refrigerator).
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.
Thanks to a fuel capacity of 3.4 gallons, the EF3000iS can operate for up to 18.6 hours with a full tank (fuel consumption 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 Disruption (THD).
Outlets
The control panel features the following 3 AC outlets:
Even if this Yamaha generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle.
Portability
The Yamaha EF3000iS is an inverter generator and has an encased design of the following dimensions: L26.8 x W17.5 x H21.9 in. Thus, it is more aesthetical than conventional, open frame products. This modern design aims to provide an ideal power solution to recreational users.
As the generator's weight is 136 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). Nevertheless, thanks to its set of 4 wheels and its double handle (a decent solution to its lack of maneuverability), the generator can be easily moved, once placed the ground.
Features
The EF3000iS's control panel
Several light indicators serve to show you when the generator is on overload, the generator is ready and its oil levels are insufficient.
The inverter generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.
From a security point of view, the generator is equipped with an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), giving you a peace of mind during 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. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).
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.
Emissions
The Yamaha EF3000iS 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 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).
- A weight of 136 lbs makes the Yamaha EF3000iS one of the heavier inverters in the 2500-3500 rated wattage range. If you are concerned by weight, one of the champions in the above-mentioned power range is the Genmax GM3300i, with a dry weight of just 47.4 pounds.
- With a lowest noise rating of 53 dBA, the inverter generator is one of the more quiet of the generators of similar type and 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.
- The EF3000iS provides a higher run time than similarly powerful inverters, reaching up to 18.6 hours at 25% load. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Champion 200914, reaching 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. This inverter generator reaches an estimated fuel consumption of 0.18 GPH (gallon per hour) at a 25% load, making it average, for the previously mentioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Energizer eZV3500P. With a fuel consumption of as little as 0.13 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 this interactive chart, 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 (53 dBA)
- High run time
- 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 |
|---|---|
| Portable | Yes |
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 171 cc Yamaha MZ175 OHV 4-stroke |
| Starting system | Recoil |
| Voltage | AC: 120V 60 Hz |
|---|---|
| Running watts | 2800 W |
| Starting watts | 3000 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) | 53 dBA |
| THD | < 3% |
| Compliance | CARB, EPA |
| Security | Low oil and overload protection, CO monitoring |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Battery charging cables |
| Warranty | 3 years |
| UPC | 700115548878 |
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, it has been reported that many of the newer 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.
