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The Yamaha ef2400ishc - 2000 watt inverter generator is available for purchase today.

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Yamaha EF2400iSHC - 2000 Watt Inverter Generator

(Based on expert analysis, manufacturer ratings and customer reviews)

4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
84 Reviews
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  • Features
  • Specs
  • 9
    Q&A 
  • 84
    Reviews
  • Articles
  • Shipping
  • Accessories

Grade

Style
Run Watts
2,000
Rated Watts
Surge Watts
2,400
Starting Watts
Fuel
Engine
Need Help? Call Our Generator Experts.


High Current Surge Output
Will start most 13,500 btu high efficiency RV air conditioners
2400 watts max, 2000 watts continuous output

Inverter System with Pulse Width Modulation (PWM) Control
Safely power computers and sensitive electronics

Smart Throttle™
Engine speed varies based on load
Improves fuel economy and reduces noise

Super-quiet Muffler with USFS-approved Spark Arrestor
Only 53 dBA at 1/4 load...eliminates errant sparks

12-Volt DC Output
Output is 8amp max (Cables Included)
Recharge 12-volt batteries for RV, auto, marine, aircraft, etc.

Oil Not Included

Legal For Sale In All 50 States
Meets CARB emission regulations

NOTE: High Current model is not compatible with parallel cables


Model
  Model Number:EF2400ISHC
 Manufacturer:Yamaha
 Made in USA:No
Engine
 Brand:Yamaha
 Starting System:Recoil Start
 HP/CC:171 cc
 Consumer Engine Warranty:3 Years
 Commercial Engine Warranty:3 Years
 Engine RPM:Inverter
 Low Oil Alert/Shutdown:Yes
 Cast Iron Sleeve:Yes
Product Specs
 Voltage120 Single-Phase
 Frequency:60 Hertz
 Alternator:Inverter
 Auto Voltage Regulation:Yes
 Fuel TypeGasoline
 Rated Amps:17 Amps @ 120 Volts (Single Phase)
 Portability Kit:Sold Separately
 Tank Size:1.6 Gallons
 Run Time (50% Load):6.5 Hours
 Fuel Tank Material:Plastic
 Fuel Gauge:Yes
 Decibel Rating @ 7m:53-58 db(A)
 Idle Control:Yes
 Hour Meter:No
 Voltage Meter:No
 Lifting Eye:No
 Neutral Type:Floating
Overview
 Assembly Required:No
 Weight:75 Lbs. (34.02 kilograms)
 Dimensions:20.7"L x 16.5"W x 18.1"H
(52.58 x 41.91 x 45.97 cm)
 Consumer Warranty:3 Years
 Commercial Warranty:3 Years
Download Documents


Outlets
10-Amp DC
NEMA 5-20R (Wall-Type)

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  9 Questions
Q: I have a customer running propane on a Yamaha genset. While burning propane the engine burns excessive oil, not a problem on gasoline. Any ideas?
by Shane Bland from Florida on June 24, 2014

A: The Yamaha portable generators are engineered and warranted to operate on gasoline only. The reason your customer is burning through oil is due to the excessive temperatures of the unit.

Gasoline burns at 485 degrees F whereas propane burns at 1008 degrees F which will cause excessive heat within the engine in turn burning off the engine oil.


by Mike, Product Expert
Q: Can two of these be connected together? I need 3500 watts minimum to start my A/C unit.


by Jeff from California on October 16, 2013

A: Thanks for your inquiry.

The Yamaha High Current model is not compatible with parallel cables. We do offer the EF2000iS Parallel kit which will give you 4000 watts surge and 3200 watts running when using the 30-amp outlet. Below is a link to this kit.

EGD-YAMAHA2000KIT


by Mike, Product Expert
Q: I just recieved my Yamaha EF2400iSHC. Do you recommend running synthitic oil? If so what weight? I like running synthic in all my other toys and vehicals Thanks! Ken Kerr
by Ken from Kansas on May 08, 2013

A: You will find the oil recommendations on page 24 of the owner's manual....

Recommended Engine Oil:
A. YAMALUBE 4 (10W-40),
SAE 10W-30 or 10W-40
B. SAE #30
C. SAE #20
D. SAE 10W
Recommended engine oil grade:
API Service SE type or higher
Engine Oil Quantity:
0.6L (0.63 US qt, 0.53 lmp qt)

Yamaha does not recommend any synthetic oil in their recommendations.

by Mike, Product Expert
Q: What is a inverter generator?
by Francine Breland from New Jersey on December 28, 2012

A: An inverter generator is a power generator that can process raw power into a power feed similar to the power received through power lines. The generator part of an inverter generator is usually powered by gasoline or diesel fuel. "Inverter" means that the power is converted from direct current (DC) into alternating current (AC).

Typically inverter generators are much smaller then standard open frame style generators and tend to operate at very low noise levels. This makes them perfect for tailgating or camping and in some cases able to power one or two items in your home in an emergency.

by Mike, Product Expert
Q: Can we use the EF2400iSHC with an RV that only has a 30 amp or a 50 amp plug in?

by Mary Irish from Wisconsin on June 24, 2012

A: This model is too small for 50A output and in come cases it can be too small for 30A output.

This model is capable of producing 17A with a little surge capacity beyond that. It does have the capability of starting "Most" 13.5 BTU RV AC units when using a 20A power cord connected to a 30A RV connection with an adapter.

The EU3000ISEB is a better choice for output capacity and comfort due to its boost capacity and overall running capability.

Yamaha Model EF3000iSEB

by Mike, Product Expert
Q: Is there a way to shut off the gas supply so I can run the carborator dry?
by Bill Garrett from Florida on June 24, 2012

A: Yes, all the Yamaha generators have a fuel valve shutoff allowing you to run the carb dry.

by Mike, Product Expert
Q: How does the EF2400ISHC run a 13,500 BTU air conditioners without a 30amp plungin?
by Larry Mitchell from Texas on June 15, 2012

A: You need to us a 20A cord that matches the 120V - 20A outlet to pull the maximum out of the generator.

by Mike, Product Expert
Q: Are there any good quality inverter generators with electronic ignition in the 3kw range or less?
by Rob from North Carolina on April 30, 2011

A: The Honda EU3000isA and the 2 Yamaha 2800 watt generators are electric start. Click the links below for additional info:

Small Inverter Generators

by Mike, Product Expert
Q: Will an inverter type generator be the right choice for running a sump pump that cuts in frequently? The pump is a 1/3 hp 9amp 115 volt. I currently have a 2500 watt porter cable (traditional) generator with Honda motor. I am looking at a Honda or Yamaha as a backup/replacement. I am unsure if I the EF2400 would be powerful enough for the regular and frequent start-ups.
by Geoff Winsor on January 20, 2011

A: The best thing to do is to calculate the starting amperage of the pump to find out what you need exactly. The formula to calculate wattage is - Starting Amps x Volts = Watts. Then you can determine the size that would suit your needs without purchasing something that may or may not work.
by Mike, Product Expert
Yamaha EF2400ISHC Reviews & Ratings
Write Review
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5
Pros
Starts Instantly Every T... (1)
Quiet (17)
Easy To Use (15)
High Quality (14)
Reliable (6)
Cons
1400 (1)
Recepticles Flimsy (1)
No Cons (1)
Expensive (7)
Heavy (2)
86% of respondents would recommend this product to a friend
84 Reviews  Sort by 
 
Mike, the Portable Generator Expert
Electric Generator Expert

Product Expert
Total Reviews
99 Reviews
Total Helpful Votes
3360 Helpful Votes
Electric Generators Direct Recommended

The 2000 watt high-current inverter generator from Yamaha is specifically designed to start stubborn, high surge electric motors such as those found on rooftop air conditioners. Until now, a person typically had to resort to a more expensive 3,000 watt inverter generator to muscle through this start-up load. Yamaha claims the new EF2400iSHC will successfully start and run most 13,500 BTU air units.

In addition to its' brute starting strength, the EF2400iSHC features an economy mode for... more
Mike Recommends This Model
Was this review helpful?
5716
Craig G.
West Islip, NY
Purchased from Electric Generators Direct
Purchased 8/28/13
Most Helpful Positive Review
REVIEWED
OCT.
30
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Does The Job Quietly & Efficiently
Ilive in West Islip Long Island New York. We lost power for about 14 days. I had a generator off brand but it was noisey and drank fuel.. worked fine but we could not get gas here on the island so what good is a generator.. You really don't have to run everything. I was mainly concerned about winter storms and loose power and of course your home heating. I have a forced hot air system draws very little power. so I had my electrician run power from my garage which is detached. I ran power to... more
Pros: Quiet, High Quality, Reliable, Exceeded Expectations
Cons: Expensive, No Cons
Craig Recommends This Yamaha Product
Was this review helpful?
80
Glenn
Total Helpful Votes
16 Helpful Votes
Most Helpful Critical Review
REVIEWED
SEP.
26
2013
2 out of 52 out of 52 out of 52 out of 52 out of 5
Runs Great But Stopped Producing Dc Power
Great generator for the first 10 hours or so. Even powered my air conditioner at 12000 feet. Still runs great but only produces DC current. Service department said it was the second Yamaha generator where the motherboard went out. Motherboard cost = $900. I do think I would buy this generator again.
Pros: Easy To Use, Quiet, Easy To Store
Cons: Unreliable
Mike, the Portable Generator Expert
Product Expert
Glenn,
Yamaha stands behind their products with a 3-year warranty on this model generator. This one of best selling inverter generators and it is extremely rare that it would fail within 10-hours.
more
Was this review helpful?
163
John S.
Plymouth, MA
Purchased from Electric Generators Direct
Purchased 2/12/13
REVIEWED
JUL.
08
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
A Sense Of Security
Over many years we have lost electric power for short periods of 1-2 hours many times each year. These were mostly an inconvenience. During winters, however, the outages could last as long as four days or more. We have transferred our freezer contents to coolers which we placed outside if the temperature was below freezing and one time we lost the entire contents.
Large multi kilowatt generators are far too heavy for me to move in and out of the cellar, so I purchased this model

Yesterday,... more
Pros: Quiet, Easy To Use, Exceeded Expectations, Easy To Store
John Recommends This Yamaha Product
John's Experience With Electric Generators Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"From website to my front door it was a pleasure!"
 more
Was this review helpful?
21
Larry V.
Wheatland, CA
Purchased from Electric Generators Direct
Purchased 7/2/14
REVIEWED
JUL.
23
2014
4 out of 54 out of 54 out of 54 out of 54 out of 5
13.5 Btu Ac
Just returned from an outing and this unit would not run my 13.5 btu RV AC. Starting load kicks generator off. Not as quiet as I had hoped. I bought this 2400 watt unit thinking it run the AC, if I had know it would'nt I would have just bought the 2000 watt unit. It seems to be a quailty unit and starts on one pull.
Pros: Easy To Use, Price
Larry Recommends This Yamaha Product
Was this review helpful?
00
Steven S.
Bettendorf, IA
Purchased from Electric Generators Direct
Purchased 6/19/14
Total Reviews
3 Reviews
REVIEWED
JUL.
12
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Very Good Generator
Ordered this generator for storm back-up and some out door camping. It is very good at running anything I need it for like my freezer and refrigerator. My wife also uses it to run a hair dryer and lighting. Very portable and easy to move around.
Pros: Quiet, Easy To Use, High Quality, Light Weight
Steven Recommends This Yamaha Product
Steven's Experience With Electric Generators Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Great company to work with, web sight is great, shipping and packaging outstanding!"
 more
Was this review helpful?
00
David B.
Lake Mary, FL
Purchased from Electric Generators Direct
Purchased 10/28/13
Total Helpful Votes
13 Helpful Votes
REVIEWED
NOV.
04
2013
4 out of 54 out of 54 out of 54 out of 54 out of 5
Just Started Using-
I have a 10K BTU Portable A/C and it starts it up rather easily. The first time I tried the A/C, basically after the generator had been used for all of three minutes, it overloaded the 2400. I restarted the generator thinking it was just a "Brand New" problem and it was! Works great over this past week and I feel confident in this unit. When the Amp/Watt need arises, this generator reacts quickly and the engine responds almost instantly. Highly recommend!
Pros: Quiet, Easy To Use, High Quality, Features
David Recommends This Yamaha Product
Was this review helpful?
132
Paul H.
Bay Shore, NY
Purchased from Electric Generators Direct
Purchased 6/4/13
REVIEWED
AUG.
06
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Starts & Runs Rv A/c
One of the important features I was looking for in a portable A/C was the ability to start and run the A/C unit in my RV (13.5k btu). I was also hoping to find a unit light enough for me to carry by myself without getting a hernia. The Yamaha 2400ishc has met both requirements as well as being very quiet and economical to run (about 8 hours on 1.5g of gas). I am very pleased with the purchase.
Pros: Easy To Use, Quiet, Reliable, High Quality
Cons: Expensive
Paul Recommends This Yamaha Product
Was this review helpful?
71
Joseph C.
Kings Park, NY
Purchased from Electric Generators Direct
Purchased 10/6/13
REVIEWED
OCT.
28
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Expensive, But Well Worth The $$$. Wasted My $ On A Generac.
Tried to save a few bucks buying a Generac inverter first. Nothing but problems. Been in the shop twice and still unreliable. This unit is twice the price, but well worth it. Reliable, quiet, nice gas shutoff feature. Worth the extra bucks in dependability alone.
Pros: Quiet, Easy To Use, High Quality, Reliable
Cons: Expensive
Joseph Recommends This Yamaha Product
Joseph Would Recommend Electric Generators Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"Fast transaction to shipping/delivery."
 more
Was this review helpful?
50
Harley
Purchased from Electric Generators Direct
Purchased 10/22/13
Total Reviews
3 Reviews
REVIEWED
OCT.
27
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
First Pull..vroom!
After FEDEX delivered to the wrong address and wanting to leave it there for 3 days..I had to go get it myself...Im currently breaking in my new 2400iSHC and have been testing its capabilities. Freezer, 37 inch TV, two lamps, fan and refrigerator at the same time...check. 1600 watt space heater....check. I plugged the fridge and freezer in separately to avoid startup amps at the same time. The high capacity feature seems to allow the engine time to speed up before the increased power draw hits... more
Pros: Quiet, Easy To Use, High Quality, I'd Buy It Again
Harley Recommends This Yamaha Product
Was this review helpful?
61
Joe W.
Chestertown, MD
Purchased from Electric Generators Direct
Purchased 9/12/13
REVIEWED
OCT.
07
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Rv Fun
This is the one we had dreamed about for camping. Instead of complaints, we get compliments from fellow campers and inquiries as to where did you buy it, how much did you pay. I wish it would be just a little bit more powerful to start my A/C.
Pros: Quiet, High Quality, Price, Starts Instantly Every Time
Cons: Heavy, Recepticles Flimsy
Joe Recommends This Yamaha Product
Joe Would Recommend Electric Generators Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"Prompt service. Smart pricing by offering an escape from the credit card yoke with a discount."
 more
Was this review helpful?
50
James N.
Point Pleasant, NJ
Purchased from Electric Generators Direct
Purchased 10/31/13
REVIEWED
JAN.
02
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good, But You Pay For It
Little guy does my campers 13500 btu ac with the micro and lights on at the same time. Awesome unit.
Pros: Quiet, High Quality, Exceeded Expectations, Easy To Store
Cons: Expensive, 1400
James Recommends This Yamaha Product
Was this review helpful?
40
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Shop for the Yamaha EF2400iSHC - 2000 Watt Inverter Generator at Electric Generators Direct. Research Yamaha recreational portable generators online. Find Yamaha EF2400ISHC recreational portable generators & yamaha ef2400is features and specifications. Get the best deal; compare Yamaha EF2400ISHC prices now. Buy the EF2400ISHC direct and save.