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Description
Zoom on the Yamaha EF2800i
In summary, the Yamaha EF2800i is a compact and lightweight portable inverter generator especially useful for:
- Camping and tailgating hobbyists looking for a portable power source
- Amateur DIY lovers
- Homeowners in need of an emergency backup power for their essentials
- Professionals who want to ensure that a power failure will not prevent them from working
- 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 EF2800i
The Yamaha EF2800i's core is the 171 cc (5.5 hp) Yamaha MZ175 OHV 4-stroke engine, which runs on gasoline. With an output of 120V, it provides a running wattage of 2500W and a peak wattage of 2800W.
The inverter generator is rated for a noise of 65 dBA (just slightly more noisy than an office). Its starting mechanism is based on 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.
The fuel capacity of 2.6 gallons allows the EF2800i to operate for up to 14.7 hours with a full tank (fuel consumption around 0.18 GPH).
As the EF2800i produces a clean sine wave, with a <2.5% Total Harmonic Disruption (THD), sensitive electronics may be plugged in the AC outlets safely.
Outlets
The control panel features the upcoming 3 AC outlets:
Furthermore, it has 1 DC outlet: there's a 12V 10A receptacle allowing you to easily charge your batteries.
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 dimensions of the Yamaha EF2800i, which are L19.2 x W15.6 x H16.7 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.
As the EF2800i's weight is only 68 lbs, it can follow you and your power needs anywhere. Moreover, grabbing and moving this product is made even easier by its open frame design.
Features
The EF2800i's control panel
Some light indicators allow you to instantly see if the generator is on overload, its oil levels are insufficient and the generator is ready.
The inverter generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.
Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), which gives you a complete peace of mind when using it.
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.
Besides the features previously mentioned, accessory-wise, the Yamaha EF2800i comes with the usual documentation and owner's manual (opens in a new tab) needed to get you promptly started.
Emissions
The Yamaha EF2800i is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.
Moreover, it features a spark arrestor and thus, may be used in forested areas.
Product Videos
The Yamaha EF2800i versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF2800i compare to generators of similar power (between 2000 and 3000 W).
- As for its weight, the Yamaha EF2800i weighs only 68 pounds, making it one of the lighter generators in the 2000-3000 rated wattage category. If weight matters to you, one of the champions in this power range is the Westinghouse iGen2600 with only 48 pounds.
- As this inverter generator has its lowest possible noise of 65 dBA, it should be considered noisier compared to its peers of a comparable running wattage. 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.
- Offering up to 14.7 hours of running time on a full tank at 25% load, the EF2800i is within the average autonomy range of similarly powerful generators. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Westinghouse WGen2000, with up to 26 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 not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen2600. With a fuel consumption of as little as 0.1 GPH, it is one of the most efficient generators currently on the market.
Price comparison
As you can see from this interactive chart, when compared to other 2000-3000W generators, the Yamaha EF2800i 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
- GFCI Outlets
- Inverter
- Lightweight (68 lbs)
- Decent run time
- Decent fuel efficiency
- No data center
- No electric start
- No parallel ports
- On the noisy side (65 dBA)
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, DC: 12V |
|---|---|
| Running watts | 2500 W |
| Starting watts | 2800 W |
| Running amps | 20.8 amps |
| Peaks amps | 23.3 amps |
| Run time @50% load | N/A |
| Run time @25% load | 14.7 h |
| GFCI outlets | Yes |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | Inverter |
| AC outlets |
|
| DC outlets | 1x 12V 10A receptacle |
| Data center | No |
| Indicators | Low oil, overload and output ready |
| Fuel tank | Metal, 2.6 gal |
| Fuel gauge | Yes |
| Weight | 68 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 19.2 x 15.6 x 16.7 in |
| Noise (lower limit) | 65 dBA |
| THD | < 2.5% |
| Emissions | CARB, EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | No |
| Warranty | 3 years |
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 EF2800i 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 | Refrigerator (energy star) | 192 | 1192 |
| Electric fry pan | 1500 | 1500 | |
| Radio | 100 | 100 | |
| Total | 1792 W | 2792 W | |
| For camping | Radiant heater | 1300 | 1300 |
| RV refrigerator | 180 | 600 | |
| Blender | 400 | 850 | |
| Radio | 100 | 100 | |
| Total | 1980 W | 2430 W | |
| For work | Grinder | 1400 | 2500 |
| Electric fence (25 miles) | 250 | 250 | |
| Total | 1650 W | 2750 W |
Couldn't find the right answer for you? Ask your own question.
