NEW - Second Generation . . .
The Yamaha EF2000iSv2
Inverter Generator
Quiet.
Efficient.
Portable.
POWERFUL!

The EF2000iSv2 is QUIET

With Yamaha’s most technologically-sophisticated muffler, internal noise-dampening baffling, and vibration-isolating rubber feet, the EF2000iSv2 is so quiet that you can have a conversation near one and not even realize it is running (51.5 dBA to 61 dBA – ¼ rated load to full rated load).
IT'S QUIET
IT'S EFFICIENT

The EF2000iSv2 is EFFICIENT

In addition to a top-to-bottom fuel-efficient design, the EF2000iSv2 features a Smart Throttle™ which varies engine speed based on load. This improves fuel economy and reduces noise. Runs up to 10.5 hours at ¼ rated load on a single 1.1 gallon tank.

The EF2000iSv2 is PORTABLE

At just 44 lbs (super lightweight for 2000 Watts) and a compact 2.2 cu.ft., the EF2000iSv2 is truly the definition of "portable" – it's easy to place, move, transport and store, and the comfort-grip handle takes it easy on your hands.  
IT'S PORTABLE
IT'S POWERFUL

The EF2000iSv2 is POWERFUL

The EF2000iSv2 features a rated output of 1600 Watts / 13.3 amps @ 120VAC, and a max output of 2000 Watts / 16.7 amps @ 120VAC. And the EF2000iSv2's inverter puts out clean, "pure sine wave" power. That means the EF2000iSv2 can power a very broad range of appliances, electronics, power tools and more. See Applications for more on what the EF2000iSv2 can power for you.

Check out what actual owners are
saying about their EF2000iSv2 . . .

Great Purchase !!

Excellent Product ! I have a Transfer Switch at my home and this Yamaha Generator Inverter turns on all my Led lights, my Refrigerator, several fans, my T.V. and my Computer at the same time with no Problem during the crisis brought about by Hurricane Maria in Puerto Rico.

Review by ramon_lizar
Nov 23, 2017 on ebay
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T03:04:45+00:00
Excellent Product ! I have a Transfer Switch at my home and this Yamaha Generator Inverter turns on all my Led lights, my Refrigerator, several fans, my T.V. and my Computer at the same time with no Problem during the crisis brought about by Hurricane Maria in Puerto Rico. Review by ramon_lizar Nov 23, 2017 on ebay

great compact generator

This is a very compact, lightweight, streamlined, well built, quiet, and easy to start and operate, unit.

Review by Capt. Ed
Jun 20, 2018 on yamahagenerators.com
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T20:27:46+00:00
This is a very compact, lightweight, streamlined, well built, quiet, and easy to start and operate, unit. Review by Capt. Ed Jun 20, 2018 on yamahagenerators.com

Oil filler is a mechanical work of art

Filler tube works just fine for adding oil to the generator. Should also be able to drain the old oil when the time comes to change. Clean with no spilling. Highly recommended.

Review by machead4770
Aug 23, 2017 on ebay
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T19:36:38+00:00
Filler tube works just fine for adding oil to the generator. Should also be able to drain the old oil when the time comes to change. Clean with no spilling. Highly recommended. Review by machead4770 Aug 23, 2017 on ebay

Works great

Started first pull and is quiet compared to my other generator. Fuel shut off is great to run all the fuel out of carb.

Review by hmelton2
Jul 31, 2018 on ebay
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T19:31:25+00:00
Started first pull and is quiet compared to my other generator. Fuel shut off is great to run all the fuel out of carb. Review by hmelton2 Jul 31, 2018 on ebay

Great Product!!!

It exceeded my expectations, very quiet and efficient!!!

Review by javierllanos81
Nov 03, 2017 on ebay
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T03:00:16+00:00
It exceeded my expectations, very quiet and efficient!!! Review by javierllanos81 Nov 03, 2017 on ebay

Well worth the price

Although this generator is quite a bit more in cost, it appears to be well worth it. After reading the manual, it started right up on the first gentle pull and I ran it for a half hour, amazed at how quiet it was. I have not used it in an emergency yet, but I do have complete faith in the quality and technology behind it.

Review by howard FRIERMAN
Sept 24, 2018 on yamahagenerators.com
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T19:52:18+00:00
Although this generator is quite a bit more in cost, it appears to be well worth it. After reading the manual, it started right up on the first gentle pull and I ran it for a half hour, amazed at how quiet it was. I have not used it in an emergency yet, but I do have complete faith in the quality and technology behind it. Review by howard FRIERMAN Sept 24, 2018 on yamahagenerators.com

Easy starting quiet

The generator performs awesome ..... light weight easy to start and quiet. Very good on fuel also!

Review by Richard Kisselstein
July 31, 2018 on yamahagenerators.com
Yamaha EF2000iSv2 Inverter Generator
5.0
2018-11-01T20:29:45+00:00
The generator performs awesome ..... light weight easy to start and quiet. Very good on fuel also! Review by Richard Kisselstein July 31, 2018 on yamahagenerators.com
5
7

See the EF2000iSv2 in Action!

Overview of the 
Yamaha EF2000iSv2

Yamaha Generators 
vs. the Competition

Yamaha Generators and
Superbike Champion Josh Hayes

Learn more about why more people love the EF2000iSv2! 

You'll be amazed at how quiet the EF2000iSv2 is! While many generators seem to produce more noise than electricity, one of the most striking features of the Yamaha EF2000iSv2 is how quiet it is. It is so quiet that you can actually have a normal conversation with the generator running nearby. The EF2000iSv2 is rated at just 51.5 dBa at a 25% load, approximately equivalent to the noise level of a quiet suburb, or a conversation at home, and only 61 dBa under full load, about the same as a conversation in a restaurant, a typical office environment, or background music. (Source: IndustrialNoiseControl.com.) This is achieved by using a number of noise reduction technologies to ensure the quietest operation possible. These include a sophisticated sound-blocking design, noise-absorbing glass wool construction, Yamaha’s most technologically sophisticated muffler and vibration-isolating feet, all of which help keep noise levels down even when the unit is under a heavy load.

The EF2000iSv2 employs an auto-decompression system, which reduces compression and makes start-up easier. It also boasts an auto-warm-up function. This increases engine speed during cold starts, producing the power that high-demand appliances need without waiting. It has a convenient, centralized control panel, which allows you to easily access all of the generator’s features. The fuel gauge allows fuel level to be seen at a glance, while Yamaha’s Oil Watch Warning System constantly monitors oil levels and indicates when an oil change is needed. This helps avoid damage to the engine that can result from low oil levels, and lead to costly repairs. The OHV engine comes with a steel camshaft and valve train components, and a cast iron cylinder liner for efficiency, reliability and durability.

The Yamaha EF2000iSv2 generator uses an innovative inverter system with Pulse Width Modulation (PWM) (see more about Generators vs Inverters). This means that the power output by this unit is in the form of pure sine waves, cleaner than even many commercial sources of electricity, and far superior to standard-alternator generators. What this means is that the power provided by the EF2000iSv2 is suitable for today’s delicate electronic devices that rely on microchip circuitry, such as computers, TVs, and many appliances and tools. The unit also features an electrical overload breaker which will prevent damage to the generator should an unexpected overload occur.

The EF2000iSv2 is also exceptionally fuel efficient – in economy mode, it can run continuously for up to 10.5 hours on a single 1.1-gallon tank of fuel. And with Yamaha’s Smart Throttle Load feature, the generator automatically adjusts the engine speed to match the load, resulting in both less noise and greater overall fuel efficiency.

Out of the box, the EF2000iSv2 is rated for 1600 watts (max. 2000 watts) and 13.3 amps (max. 16.7 amps) @ 120V AC. In addition, the unit can output 8A/12V DC with the included cables, ideal for charging car, RV and boat batteries.

But that’s not all – using Yamaha’s TwinTech™ technology you can connect two units for 3600 watts, 30 amps of maximum power (requires the TwinTech accessory cable sold separately).

With an extra-large comfort-grip handle, the Yamaha EF2000iSv2 is light-weight (it weighs a mere 44 pounds) and compact (just 2.2 cubic feet) which makes it unusually easy to transport and store. It has a fuel petcock that lets you shut off the gas supply to run the carburetor dry when you plan to store it for a while, and helps prevent stale gas problems. The side panels are easily detachable for quick and easy servicing.

Many generators can’t be sold in California because they don’t meet the stringent emissions requirements of the California Air Resources Board (CARB). Yamaha EF2000iSv2 generators have the longest emission engine durability ratings issued by the Environmental Protection Agency (EPA) and the California Air Resources Board, and meets even strict EPA and CARB standards for low emissions.

The Yamaha EF2000iSv2 comes with a 3-year limited factory warranty, and extended protection — Yamaha Extended Service (YES) — is available for an additional 1, 2 or 3 year period.

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