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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
77 Reviews
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  • Features
  • Specs
  • 8
    Q&A 
  • 77
    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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  8 Questions
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 (12)
Easy To Use (9)
High Quality (9)
Exceeded Expectations (4)
Cons
Recepticles Flimsy (1)
1400 (1)
No Cons (1)
Expensive (6)
Unreliable (2)
86% of respondents would recommend this product to a friend
77 Reviews  Sort by 
 
Mike, the Portable Generator Expert
Electric Generator Expert

Product Expert
Total Reviews
99 Reviews
Total Helpful Votes
2733 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?
4110
Terry
Nashville, TN
Purchased from Electric Generators Direct
Purchased 5/23/11
Total Helpful Votes
24 Helpful Votes
Most Helpful Positive Review
REVIEWED
JUL.
02
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
The Ef2400ishc Runs My Ac Perfectly
My wife and I just became parents to a beautiful baby girl. We love the lake, and upgraded boats to something more baby friendly. It's a 32 ft pontoon boat with an enclosed wheelhouse. As part of the deal we had to add an AC to keep baby girl cool. To power the AC while out on the water, I purchased the Yamaha EF2400iSHC from Electric Generators Direct. Their shipping was *SUPER FAST* with the expedite option. The AC is a 13,5000 BTU Coleman Mach III Powersaver. The EF2400iSHC has no problem... more
Was this review helpful?
242
Carl C.
Fontana, CA
Purchased from Electric Generators Direct
Total Helpful Votes
86 Helpful Votes
Most Helpful Critical Review
REVIEWED
JUN.
12
2013
1 out of 51 out of 51 out of 51 out of 51 out of 5
Reviews
I purchased a Yamaha 2400ishc generator after reading reviews stating that it would run a 13500 BTU Air conditioner."Buyers beware" (It will not!). I have a 2011 Surveyor which is still brand new. I called Electric Generators direct and they told me they could not help me. No Returns. So To all. make sure it's the generator you need and don't trust all reviews. No Returns!! Expensive mistake.
Was this review helpful?
8610
Don
Total Helpful Votes
22 Helpful Votes
REVIEWED
JUL.
21
2013
2 out of 52 out of 52 out of 52 out of 52 out of 5
Ran 10 Hours Then Stopped Making Electricity
This generator ran for 10 hours then quit. I was told to take it to a Yamaha Service Center, which I did (80 miles away!) They found that a wire was loose on a circuit board, which they fixed. The gasoline shut-off lever also broke the first time I tried to use it. They replaced it with a new one. When I returned to pick up the 3 month-old generator, I was told that Yamaha refused to cover the repairs under warranty because the generator was not "registered." Not sure what this... more
Cons: Unreliable, Durability
Mike, the Portable Generator Expert
Product Expert
Don,
I would suggest contacting Yamaha directly @ (800) 962-7926 for clarification. Your sales receipt should be all that you need for a warranty claim. When contacting Yamaha, please let them know the name and contact information of the service center you took your generator to.
more
Was this review helpful?
220
David F.
Dickinson, TX
Purchased from Electric Generators Direct
Purchased 4/19/13
Total Helpful Votes
20 Helpful Votes
REVIEWED
MAY.
11
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Works For Me
I have a 35' 5th wheel with two AC units, one a 15,000 btu and one a 13,500 btu. We are going to the Rockies and wanted a quiet generator in case we were "boon docking" along some stream somewhere along the way. Since we are to be in both the mountains and in the desert, we wanted to run the smaller a/c unit if it was hot. And we can now go to the beach (or wherever) and have a/c away from a park.

This unit did what they said, it started and ran my 13,500 btu unit and after... more
Was this review helpful?
201
Brian Y.
Longwood, FL
Purchased from Electric Generators Direct
Purchased 6/5/13
Total Helpful Votes
16 Helpful Votes
REVIEWED
JUN.
27
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Niiiice!
The generator arrived well boxed and protected. I added oil and fuel and it started and idled smoothly on the very first pull of the handle.
One minor issue I had was fitting the wheels. The instructions should have warned you to only remove one of the two bolts for mounting each wheel bracket at a time. If you remove both (as I did) then the backing plate inside the machine can move away from the frame and the new bolts won't line up or reach. This gave me a few 'sweary' moments, but removing... more
Pros: Easy To Use, Quiet, Light Weight, Easy To Store
Brian Recommends This Yamaha Product
Was this review helpful?
161
Richard B.
Quincy, CA
Purchased from Electric Generators Direct
Purchased 5/16/13
Total Helpful Votes
15 Helpful Votes
REVIEWED
JUN.
05
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Generator
I bought this model vs Honda trusting reviews stating that it would start 13,500 BTU AC unit on an RV. I will add to the other reviews in that I tested it on both of the Dometic AC units on my Montana RV - it worked just fine. Processiing and shipping from Generators Direct was great and right at 1 week from order to delivery.
Was this review helpful?
151
George
Purchased from Electric Generators Direct
Purchased 4/6/13
Total Helpful Votes
15 Helpful Votes
REVIEWED
JUN.
15
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Clean Smooth Power
The Yamaha EF2400i SHC is a fantastic piecs of gear. I took it out of the box, added oil (not included) and gas and it started right up. It's amazingly quiet and provides clean smooth power for a fridge and a freezer plus a charging station for cell phones, laptops, etc.

We have had a few severe storms in N. VA since I moved here in 2010 and prior to buying this generator, I had a pretty big loss of frozen food during and unexpectedly long blackout. That won't happen again with this... more
Was this review helpful?
152
Aaron
Purchased from Electric Generators Direct
Purchased 4/9/13
Total Helpful Votes
12 Helpful Votes
REVIEWED
MAY.
01
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Generator At A Great Price!
I use my gen for motorcycle racing purposes. I run a set of tire warmers and a battery tender with it, and it has plenty of power to spare! Opened the box, added oil and fuel, and test ran it for about a minute. Took it to the track and it ran for about 6 hours each day with no issues at all. This gen is VERY quiet! I had to walk up to it to make sure it was still running, I couldn't hear it over the other generators around me! Awesome first outing, definatly recomend this gen to anyone!
Was this review helpful?
121
Thomas W.
Weippe, ID
Purchased from Electric Generators Direct
REVIEWED
JUN.
11
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Positive Transaction
We are very happy with the Yamaha inverter. Very quiet in a crowded campground. It will run our 5th wheel air conditioner as long as no other appliances are going, which is fine with us. Starts first time every time. A little on the heavy side but we knew that going in.

We checked prices at many other places and Electric Generators Direct gave us the best price and we used the 2% discount for paying by check. It took a little longer to process the sale but after my check cleared the unit... more
Was this review helpful?
91
David B.
Lake Mary, FL
Purchased from Electric Generators Direct
Purchased 10/28/13
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?
81
Glenn
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?
62
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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.