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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 •Recharge 12-volt batteries for RV, auto, marine, aircraft, etc. •Output is 8amp max (Cables Included)
Oil Not Included
Legal For Sale In All 50 States •Meets CARB emission regulations
NOTE: This model is not compatible with parallel cables
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.
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.
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.
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.
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.
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 Jared, Product Expert
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
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 quieter operation and enhanced fuel conservation. When engaged, it's 53 decibel sound output is just a whisper in the background.
We like this Yamaha for the overall quality and performance. The high current feature and the very low noise emissions are great features not found on other competitive units.
Jared Recommends This Model
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16669
Frank Columbus, OH
Most Helpful Positive Review
REVIEWED
MAY.
24
2017
Five Years And Running Strong
I first purchased this unit to use in my race trailer to power my roof top AC unit and run other power tools. I have put several hundred hrs on this unit without an issue. I do change the oil on a regular basis and i need to change the plug and air filter but it runs strong, always starts and is reliable. Can't ask for much more.
Pros:Quiet, High Quality, Reliable, Durable
Cons:Heavy
Frank Recommends This Yamaha Product
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50
Russell Knoxville, TN
Purchased 5/13/17
REVIEWED
JUN.
06
2017
So Far So Good!
I bought the EF2400ISHC in hopes that it could power our 25' Airstream's 13,500 BTU air conditioner. It works! I needed a gen that was small, but I didn't want to have to go with 2 generators running in parallel (seemed like 2x the opportunity for problems). I know it can't run everything simultaneously, but that's not what I was going for. The EF2400ISHC started right out of the box on the 2nd pull. It's light enough for me to be able to pull out of the bed of the pickup, and easily fits under the tonneau cover too. Still a little early for a complete review, but so far so good.
I bought the EF2400ISHC in hopes that it could power our 25' Airstream's 13,500 BTU air conditioner. It works! I needed a gen that was small, but I didn't want to have to go with 2 generators running in parallel (seemed like 2x the opportunity for problems). I know it can't run everything simultaneously, but that's not what I was going for. The EF2400ISHC started right out of the box on the 2nd pull. It's light enough for me to be able to pull out of the bed of the pickup, and easily fits under... more
Pros:Quiet, Light Weight, Easy To Store
Russell Recommends This Yamaha Product
Russell's Experience With Electric Generators Direct
Web Site
5/5
Service
5/5
Shipping
5/5
"Best price, and it shipped quickly without any issues."
I am writing this review about 6 months after purchasing and using the EF2400ish Yamaha generator with a total of 40 hrs on it now. I would recommend this generator and would buy one again.
Honestly this has been a great little machine that uses very little fuel. It runs my 13.5k Coleman mach 3 ac in 90+ outside temp's with no issues at all, for hours at a time. As a precaution I did install a hard start kit as a precaution and use a 20amp to 30 amp plug. I am using the recommended Yamalube in the crankcase and have had no oil consumption problems, it starts first pull every time. I do wish it had an option to turn the eco throttle off, but it runs fine without this option.
I am writing this review about 6 months after purchasing and using the EF2400ish Yamaha generator with a total of 40 hrs on it now. I would recommend this generator and would buy one again.
Honestly this has been a great little machine that uses very little fuel. It runs my 13.5k Coleman mach 3 ac in 90+ outside temp's with no issues at all, for hours at a time. As a precaution I did install a hard start kit as a precaution and use a 20amp to 30 amp plug. I am using the recommended Yamalube... more
Pros:Quiet, Reliable, Runs my AC
Cons:Expensive
Chris Recommends This Yamaha Product
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10
Lawrence A. Ellicott City, MD
Purchased 4/10/17
REVIEWED
MAY.
05
2017
Excellent, Compact, And Comparatively Quiet Generator
I have just used this Yamaha generator for 12.5 hours and it has worked very well for my purposes. It is impressively quiet, has the additional startup current that similarly sized, pure sine, compact generators don't have, and holds enough fuel to get one through an average work day without having to refuel. The only minor situation I encountered when I first extracted the new generator from its packing material was that part of the casing or sound insulation panel was not properly aligned with the metal chassis. I was able to fix, adjust this fairly easily, though.
I have just used this Yamaha generator for 12.5 hours and it has worked very well for my purposes. It is impressively quiet, has the additional startup current that similarly sized, pure sine, compact generators don't have, and holds enough fuel to get one through an average work day without having to refuel. The only minor situation I encountered when I first extracted the new generator from its packing material was that part of the casing or sound insulation panel was not properly aligned... more
Pros:Quiet, Reliable, Easy To Store, Light Weight
Cons:None at this point.
Lawrence Recommends This Yamaha Product
Lawrence's Experience With Electric Generators Direct
Web Site
5/5
Service
5/5
Shipping
5/5
"Good, smooth experience. I needed to make a delivery adjustment that could only be made through EGD Customer Service and this was accomplished without a problem."
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 starting and running this AC. Fantastic generator.
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
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465
Gary Gathright Abbeville, MS
18 Helpful Votes
REVIEWED
MAR.
02
2010
Awesome Generator
I reviewed and searched for weeks before finally deciding to buy this one.
I plan to use it on the mobile BBQ truck I'm building. It will handle most of my needs for now.
I will probably buy an extension soon so I can run both a small a/c and the food warmer I have on board, but for now it will do the job.
It's very quiet and easy on the ears. I'd highly recommend it!!
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182
Carl C. Fontana, CA
117 Helpful Votes
REVIEWED
JUN.
12
2013
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.
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11720
Don
46 Helpful Votes
REVIEWED
JUL.
21
2013
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 means. I can't find anything that came with the generator. Every automobile I've ever bought was covered by the manufacturer's warranty. There was nothing to "register" that I'm aware of. If this is the way a supposedly quality company treats their customers, I'll certainly find products make by someone else.
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
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.
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Product Manual
