Yamaha EF2400iS 2,400 Watt 171cc OHV 4-Stroke Gas Powered Portable Inverter Generator (CARB Compliant) Review

Average Reviews:

(More customer reviews)Received delivery of this generator on the day of a huge storm that swept through and knocked out power for 30 hours. This generator allowed me to pump out my full sump pit, keep my two fridges cold, and had the TV and fan running (all happened at separate intervals).
The best thing about this generator is how easy it is to use, and it's only 70 lbs. Fill up with gas and oil, switch the power on, gas on, choke, and pull. This generator is so quiet and has plenty of power to get you through a short term power outage.
Dollar for watts, this is the best inverter generator out there. If I ever need a 30 amp hookup (ie. for a transfer switch connected to a house panel), I can buy another one of these generators and set up a parallel hookup. Also, since it's lightweight and quiet, I can use it for other purposes like camping. I also bought the hour meter and cover.
This is a quality piece of equipment, made in Japan. Not the Harbor Freight special.

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Powerful, lightweight, portable, and efficient, the Yamaha EF2400iS Gas-Powered Portable Inverter delivers maximum electrical output without sacrificing portability. Thanks to its innovative inverter system, the generator is able to generate up to 2,400 watts of clean AC power. It can run up to 8.6 hours continuously without refueling and uses the latest technology to produce the highest output in its class.
EF2400iS InverterAt a Glance

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Yamaha EF3000iSE 3,000 Watt 171cc OHV 4-Stroke Gas Powered Portable Inverter Generator With Electric Start (CARB Compliant) Review

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(More customer reviews)I purchased this generator from a local camper dealer about 3 years ago so we could camp in the parking lot at our kids colleges. The electric start is a nice feature and if I was to buy another one I would get it with the remote START/STOP feature. I found a place that I can order it to add to mine. There is enough power to run one AC, any lights you want, TV, water pump all at the same time. Fuel consumption is very low. I haven't clocked the hours per tank, but we take it to a state part in Connecticut where there is no power at all and can get through 3 or 4 days on a tank full. There is also a option to add a propane fuel supply. This is also one of the quietest generators I have heard in the campgrounds. You can stand right beside the unit and have a normal conversation. I wish Yamaha would make a model to install in my 5er so I didn't have to load it into the truck. It's a bit heavy so I am going to add a hoist to my garage to help with the loading now that the kids are no longer at home.

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The EF3000iSE and its inverter system features Pulse Width Modulation (PWM), delivering clean power so you can use it confidently for powering computers, solid-state appliances with built-in computer functions or microcomputer-controlled power tools. Other features include Noise Block Acoustically designed sound reduction system, Smart Throttle and Economy Control electrical governor for improved fuel economy and reduces sound levels. The EF3000iSE is ideal for around the home or at a campsite. 2-year limited warranty.

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Yamaha EF1000iS 1,000 Watt 50cc OHV 4-Stroke Gas Powered Portable Inverter Generator (CARB Compliant) Review

Average Reviews:

(More customer reviews)I've used these with friends camping and been absolutely amazed. This model has a number of positives about it. Yamaha has produced small, reliable generators for over 15 years.
My big plusses:
1 - REALLY quiet. The engine drives basically just an alternator and produces about 12V, though it varries. When there is a small load on the generator (typical of most camping / outdoor uses) it slows down the engine. This not only makes it quiet, it cuts back on fumes, and saves gas. A tank filling can last half a day easily depending on demand.
2 - clean power. Because the alternator is outputting a DC voltage into a sinewave inverter your 110 VAC is comming from one of the best sources. I use inverters in many of my service vehicles, right at 1000W, and have found no situation where that was not enough power. Since the inverter tells the throttle how much power it needs, wasted noise and gas are eliminated. Basically it does not feel like the old 5000W genset on wheels.
3 - light weight. Compared to taking the 5000W generator camping, the small size and light weight are a welcome change.
4 - very small gasoline consumption. Unless you are running the full 1000W all the time you'll get great mileage. If you do need to run 1000W all the time, consider a larger digital inverter genset. Honda makes a 2000W which can be joined to a second 2000W for 4000 total if I recall.
5 - well built engine. Although only 50cc, it has overhead valves and excellent sound isolation.
Cons:
It's not going to run EVERYTHING in your RV at the same time. If you are watching the plasma TV (400W) and turn on the microwave (1000W) the generator will shut down due to the 1400W load. Consider your loads and if you must run everything simultaneously.
Heavy loads make it spin faster and thus change the acoustic tone of the exhaust. If it's within hearing range and you turn alot of stuff on/off the noise may irritate some people.
Pros:
Put a 100 foot extension cord between you and the generator and you'll be saying "what generator" as the lights and appliances work fine for 12+ hours. It's that quiet.
1000W is enough to run your vehicle's battery charger, a good size TV, and small cooking appliances, just not at the same time. Consider the kill-a-watt wattmeter to know EXACTLY what your load is P3 International P4460 Kill A Watt EZ Electricity Usage Monitor

Click Here to see more reviews about: Yamaha EF1000iS 1,000 Watt 50cc OHV 4-Stroke Gas Powered Portable Inverter Generator (CARB Compliant)

Powerful, portable, and efficient, the Yamaha EF1000iS Gas-Powered Portable Inverter delivers maximum electrical output without sacrificing portability. Thanks to its innovative inverter system, the generator is able to generate up to 1,000 watts of clean AC power. It can run up to 12 hours continuously without refueling and uses premium technologies to maximize fuel efficiency.
EF1000iS InverterAt a Glance

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