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Description
Zoom on the Yamaha EF3000iS
In summary, the Yamaha EF3000iS is a quiet portable inverter generator especially useful for:
- Handcrafting enthusiasts who wish to work on-the-go
- Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
- Tailgating and campground aficionados with the desire of enjoying power anywhere they go
- RV travellers wishing to enhance their freedom and nomad lifestyle
The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.
Power & Run Time
The Yamaha EF3000iS
The Yamaha EF3000iS's engine, 171 cc Yamaha MZ175 OHV 4-stroke, fueled by gasoline, can deliver 120V. It provides a running wattage of 2,800W and reaches a peak wattage of 3,000W.
Enjoying a noise rating of 54.5 dBA (just slightly more noisy than a conversation at home), this inverter generator gets running thanks to a conventional pull-start mechanism.
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 full tank, the EF3000iS can operate for up to 18.6 hours (fuel consumption around 0.18 GPH), thanks to its fuel capacity of 3.4 gallons.
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 features the following 3 AC outlets:
Even though this Yamaha generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor.
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. The featured design follows the latest trends and is ideal for easy and recreational use.
Although this generator is technically considered 'portable' (in the sense that it can be moved), its 136 lbs make it incredibly difficult to manually lift and transport. 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 overloaded, the generator is ready and the oil level is too low.
The inverter generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.
From a security standpoint, the product offers an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), allowing you to use it with a peace of mind.
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.
Emissions
The Yamaha EF3000iS is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.
Moreover, it features a spark arrestor and thus, may be used 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).
- With its weight of 136 lbs, the Yamaha EF3000iS is one of the heavier inverter generators in the 2500-3500 rated wattage category. In terms of weight, one of the champions in their power range is the Pulsar PGD40iSCO, standing at just 46 lbs.
- At a lowest noise rating of 54.5 dBA, this inverter generator is one of the quieter devices of 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.
- As the EF3000iS features an autonomy of up to 18.6 hours at 25% load, it has a higher run time than an average generator of its type and power range. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Champion 200954, which is able to run for 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. 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 you wish to further improve in the area of fuel efficiency, the Energizer eZV3500P, which boasts with a gas consumption of only 0.13 GPH, may be the right generator for you.
Here's a list of the most popular specific comparisons:
The bottom line
- CO Sensor
- Inverter
- Quiet for its power (54.5 dBA)
- High run time
- Made in Japan
- Decent fuel efficiency
- 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 | 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, 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 | AC (10,000 BTU) | 1500 | 2200 |
| 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.
