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Yamaha EF3000iS (EF30iS) Inverter Generator **Free Extended Warranty**

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Availability: In stock


The EF3000iS boasts 3000 watts/25 amps of maximum power is a Pull Start. It includes Yamaha’s performance enhancing features, such as Inverter Technology, Smart Throttle, and produces clean, high-quality electricity with extremely quiet operation (53 dBA – 60 dBA). Features a long run time — Continuous operation for up to 19 hours without refueling. Clean power, quiet, make this the ultimate generator on wheels.


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  • • Super quiet operation of 53 dBA – 60 dBA.
  • • Easy control access.
  • • Built-in 4-wheels for easy portability. 
  • • Pull Start Only
  • • Smart Throttle- load sensing rpm control adjusts engine speed to match the load
  • • Continuous operation for up to 19 hours at 1/4 rated load (with “Smart Throttle” function on).
  • • 12 Volt DC output for recharging 12V batteries. Cables incldued.
  • • Inverter system with Pulse Width Modulation (PWM) control allows you to run sensitive electronics
  • • 171cc Overhead Valve engine
  • • Low Oil Shutdown
  • • 50 State Compliant - meets EPA and CARB emission regulations.


Additional Info

MPN EF3000iS
Engine Type OHV, Air-Cooled, Four-Stroke, Single Cylinder
Engine Displacement 171 cc
Starting System Recoil & Auto Decompressor
Ignition System n/a
Oil Capacity 0.63 qt
Fuel Tank Capacity 3.4 gal.
Continuous Operation Time Up to 19 hours
Maximum AC Output 3000 watts
Rated AC Output 2800 watts
DC Output 12 amps @ 12V
Rated AC Current 23.3 / 25 amps @ 120V
Parallel Capable No
Rated Voltage 120V
Frequency 60 hz
Receptacles 10A 12V DC, 120V 20A Duplex, L5-30R 120V 30A Twist
Noise Level 53-60 dBA
Dry Weight 149.9 lbs.
Overall Dimensions 26.8 in X 17.5 in X 21.9 in
Residential Warranty 3 Years Limited Warranty
Commercial Warranty 1 Year
Emissions Compliance 50 State Compliant
Ships Via Freight


Great productReview by Greg
Wise is the best for generators.
(Posted on 8/4/13)
What a great generator!Review by missingu
I have owned one of these for the last four years! It has taken on everything I have thrown at it like a champ! I use it when I go to Disc Golf Tournaments, it has run all my lights in my 20' enclosed trailer, my computer, a large flat screen with DVD player, my sound system, over 200' of rope lights, and even all the PA and amplifiers and lights of a blues band!

Ran it all without so much as a blink of low power. I just wish I had had the money to buy a bigger one!

Did I mention how quite it is? I have sat on top of it talking on my cell phone and the person I was talking to never had a clue, now THAT is QUITE!

You can't go wrong with one of these baby's, no way! (Posted on 6/18/13)
the bestReview by new orleans hackman
awesome greatunit love the fuelguage (Posted on 6/4/13)
awesome greatReview by hackett
works wonderful (Posted on 5/28/13)
Great ProductReview by Mario
We have used this generator on four camping trips this year and it has worked flawlessly.

Yamaha makes a great product. (Posted on 4/12/13)
Does the Job & QuietReview by Keith U.
Very happy with the unit. Bought it for my 5th wheel and it does what I need. Runs the air just fine with the economy switch off. Not sure yet if it can handle everything (microwave, air, coffee pot, etc) at once, but not a high priority for me. Oh yea, I almost forgot - starts on first pull will little effort and it is quite - I mean very quiet (Posted on 4/12/13)
QuietReview by Thomas
While I only got this generator today and this review is after three hours of running, I am really impressed with it. I hooked it up to my camper with a 15,500 BTU A/C, turned on the A/C and everything worked just as I'd hoped. I also have the Yamaha 1000 and 2400 and I think the 3000 is quieter than both of them. The only issue that I can see with this unit is the weight, but I'll live with it. (Posted on 6/29/12)

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Shipping Information


Shipping Information

Below is a basic overview of our typical Shipping and Delivery Policies. Please note for "Free Shipping" it is our intention to get your purchase to you as quickly as is financially feasible.

Shipment Transit Times: We are located in Schaumburg, IL and ship most products from our warehouse. Transit Times vary based on the size of product purchased and the distance from our warehouse. Here is a color coded chart with our approximate transit times.

Processing Times: Products that ship via Ground are typically processed by the next business day. Freight items are given 1 business day lead time. These standards are subject to item availability and shipping method chosen at checkout.

Expedited Shipping: products under 150 lbs (ship weight) may be expedited by selecting an expedited shipping method in checkout and paying an extra fee. Freight items cannot be expedited via our website checkout. For expedited freight orders, please call (847) 895-5555 to get a freight quote. Expedited shipping may not be available in all areas.

Typical delivery times per carrier:

  • FedEx Ground: 1-5 business days within the contiguous United States. Upgrades available for 3 Day , 2 Day and Next Day Air; see checkout for prices.

If you have any questions related to our shipping policies or need a special quote, please call our Shipping Department at (847) 895-5555.

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