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Yamaha EF2400iSHC Spec Review

The Yamaha EF2400iSHC is a quiet and compact inverter generator with a rated wattage of 2000 W and a starting wattage of 2400 W.

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Description

BRIGHT LIGHTS, SMALL PACKAGES. The EF2400iSHC inverter combines light weight and the latest technology to produce the highest output in its class. (source: Yamaha (opens in a new tab))

Zoom on the Yamaha EF2400iSHC

In a nutshell, the Yamaha EF2400iSHC is a quiet and compact portable inverter generator mostly geared towards:

  • Camping and tailgating buffs looking to enhance their experience
  • DIYers who wish to improve their efficiency with tools

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Yamaha EF2400iSHC in use

The Yamaha EF2400iSHC

The Yamaha EF2400iSHC's core is the 171 cc Yamaha MZ175 OHV 4-stroke engine, which runs on gasoline. With an output of 120V, it provides a running wattage of 2000W and a peak wattage of 2400W.

The inverter generator is rated for a noise of 53 dBA (just slightly more noisy than a quiet suburb). Its starting mechanism is based on a simple traditional 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.

Thanks to a fuel capacity of 1.6 gallon, the EF2400iSHC can operate for up to 11 hours with a full tank (fuel consumption around 0.15 GPH).

As the EF2400iSHC 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 2 AC outlets:

Duplex 120V 20A (5-20R)

In addition, it provides 1 DC outlet: there's a 12V 8A receptacle with which you may charge your batteries with ease.

Portability

Since the Yamaha EF2400iSHC is an inverter generator, its closed design (L20.8 x W16.5 x H18.2 in) has an esthetical advantage over conventional, open frame devices. This type of design is the most modern and convenient way to recreationally generate power.

The 75 lbs of the EF2400iSHC's dry weight enables you to use it anywhere you will ever need. Moreover, shifting it is an easy task, as the EF2400iSHC features a nifty double handle, improving your grip greatly.

Features

Panel of the Yamaha EF2400iSHC

The EF2400iSHC's control panel

When the oil level is too low, the generator is ready and the generator is on overload, you will be informed by the featured light indicators.

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.

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 EF2400iSHC's packaging.

Emissions

The Yamaha EF2400iSHC 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, making it usable in forested areas.

Product Videos

The Yamaha EF2400iSHC versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF2400iSHC compare to generators of similar power (between 1500 and 2500 W).

  • At a dry weight of 75 pounds, the Yamaha EF2400iSHC is one of the heavier devices which can produce between 1500 and 2500 running watts. If you are concerned by weight, one of the champions in the above mentioned power range is the Champion 200949, with a dry weight of just 38.6 pounds.
  • With a lowest noise rating of 53 dBA, the inverter generator is one of the more quiet of the generators of similar power. If noise emissions are one of your priorities, you may be interested in the Honda EU2200i, one of the least noisy generators similarly powerful as this one, rated for 48 dBA.
  • Offering up to 11 hours of running time on a full tank at 25% load, the EF2400iSHC is within the average autonomy range of similarly powerful generators. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Westinghouse WGen2000, as it provides up to 26 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. This inverter generator is somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.15 GPH at a 25% load. If fuel consumption is your top priority, we suggest to check out the Predator 2000, which has a fuel consumption of only 0.08 GPH and thus, is one of the most efficient devices in our database.
According to our stats, the following comparison is pretty popular: Yamaha EF2400iSHC vs Yamaha EF2000iSv2.

Price comparison

As you can see from this interactive chart, when compared to other 1500-2500W generators, the Yamaha EF2400iSHC 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

STRENGTHS:
  • Inverter
  • Quiet for its power (53 dBA)
AVERAGE SPECS:
  • Decent run time
WEAKNESSES:
  • On the expensive side
  • No data center
  • No electric start
  • No parallel ports
  • On the heavy side (75 lbs)
  • Low fuel efficiency

Do you own the Yamaha EF2400iSHC and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine171 cc Yamaha MZ175 OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts2000 W
Starting watts2400 W
Running amps16.7 amps
Peaks amps20 amps
Run time @50% loadUnknown
Run time @25% load11 h
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets1x 12V 8A
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankPlastic, 1.6 gal
Fuel gaugeYes
Misc
Weight75 lbs
Approx. dimensions (L x W x H)20.8 x 16.5 x 18.2 in
Noise (lower limit)53 dBA
THD< 2.5%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedBattery charging cables
Warranty3 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.

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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 EF2400iSHC 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?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizer.
ItemRunning WattsStarting Watts
At homeAC (10,000 BTU)15002200
Set of 5 LED light bulbs5555
Fan40120
Total1595 W2295 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Blender400850
Total1590 W2180 W
For workDemolition hammer12601260
Electric fence (25 miles)250250
Bug zapper8080
Total1590 W1590 W

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