Portable Yamaha Generators - Inverter Type
EF2400iS (55-9146) EF3000iSEB (55-9149) EF2000iS (55-6921) Only weighs 70 lbs. (Dry) Gasoline petcock - Helps prevent carburetor contamination during storage. Controls all on one panel - Easy access to controls. Smart Throttle varies engine speed based on load - Improves fuel economy and reduces noise. Comfortable grip handles - Easy portability and storage. Fuel gauge - Ability to gauge fuel level without opening cap. Oil Watch warning system - Prevents engine damage - Provides added peace of mind. Electrical overload breaker - Prevents generator damage in case of overload. Super-quiet muffler with USFS-approved Spark Arrestor - Only 53 dBA at 1/4 load...eliminates errant sparks. Die-cast aluminum frame - Light weight, high strength. DC outlet - 8A12V outlet for charging batteries (cables included). Yamaha Boost Technology - boosts output by adding battery voltage to alternator when needed. Boosts output for up to 10 seconds for starting tools and appliances. Noise Block Acoustically designed sound reduction system Smart Throttle Load Sensing Throttle Control - Automatically adjusts engine speed to precisely match load. Oil Watch Warning System - Prevents engine damage and costly repairs while enhancing long-term durability. OHV 171cc Engine (Overhead Valve) - Offers increased reliability, low oil consumption, noise-reducing operation and increased peace of mind. Long Run Time - Runs Continuously for up to 20.5 hours without refueling (at 1/4 rated load with "Economy Control" function on. 12 Volt DC Output (Battery Charging Cables Included) - Recharge 12 volt batteries for RV, auto, marine, aircraft, etc. Centralized Control Panel - Control Panel enables easy access to controls. Electric Starter - Effortless starting and easy operation. (Battery Included) Dry weight - 150 lbs. Light Weight - 44 pounds - easy to move, transport and store. Only 51.5 dBA at 1/4 load and eliminates errant sparks. A compact 2.2 cu.ft. easy to store and transport. Connect two of these Yamaha generators to double the output, giving you power to run your RV A/C and other appliances while maintaining the portability of lightweight generators. Two EF2000iS = 30A. (See Below) Equipped with noise filters. Extended Engine Emission Life Rating - Longest engine emission life rating issued by EPA. Auto-decompression system - Reduces compression for easier starting. DC outlet - 8A12V outlet for charging batteries (cables included). Simple detachable side panels for easier serviceability. Noise Block™ sound reduction system making it very quiet. Optional Accessory - Sidewinder Cable
Connect two EF2000iS generators for 30A output.
Purchase generators and cable separately
Purchase Kit 'EF2000KIT', consisting of cable plus two EF2000iS Generators.
Designed for less noise and better fuel economy this 4.5 KW inverter generator is the most powerful engine in its class! Features a very low engine speed of 2,600 rpm – that's 1,000 rpm lower than comparable generators, resulting in reduced fuel consumption, noise, vibration and engine wear. The quiet, fuel efficient 357cc 4-stroke OHV engine was certified to the most stringent California Air Resources Board Tier III exhaust emission regulations and durability levels. Pulse Width Modulation inverter system run satellite TV systems, computers and other sophisticated electronic appliances with ease. Electric start and automatic choke for quick start up. Optional wireless remote (55-0721, sold separately) is available for this model. Includes easy-to-transport four-wheeled base, a fuel level gauge and an oil warning system to prevent engine damage. Dry weight 194 lbs. EF4500iSE (55-6999) The most powerful, most advanced Yamaha inverter generator ever! It quietly cranks out up to 6300W of pure sine wave inverter power at 120V or 240V. Confidently run high-demand equipment like RV air conditioners and pumps, as well as sensitive equipment like plasma TVs and computers. Advanced features including electric start and optional wireless remote (55-0721, sold separately) make it a pleasure to use. Dry weight 200 lbs. EF6300iSDE (55-6986)
These portable Yamaha Generators use inverter technology because it translates into a compact, lightweight design that makes them easy to transport whether you are camping, fishing, using them around the house, during a power outage, or on the job site. Plus, they're so quiet, they are less obtrusive and more suitable for a wider range of applications.
What's an Inverter Generator?
Simply put, an inverter generator produces 3-phase AC power at a high frequency, which is electronically 'converted' to DC power, then 'inverted' back to AC at 120 volts, 60hz. This output is referred to as 'clean power' which means consistent current and a stable 'sine wave' that is the basis for AC or 'alternating current'. Conventional generators must maintain an exact speed to produce standard 60hz (cycles per second), and this speed can vary as additional loads are applied or removed. If the lights or other basic appliances in your home were being powered by a generator and there was a fluctuation in the AC power, you'd probably see the lights dim and then return to full brightness—no problem! However, if your computer was being powered by a generator and the voltage fluctuated, chances are the computer would either shut down or at least interrupt the program you were working in. Therefore the 'clean power' from an inverter generator is a great benefit for the operation of computers and other hi-tech equipment.
Yamaha has introduced a 'Smart Throttle' feature that automatically adjusts the engine speed to precisely match the load. This allows the generator to run quieter while increasing fuel efficiency, lengthening engine life, and extending running time between refueling.
These portable generators also have Yamaha's 'Noise Block', incorporating various sound absorbing materials, molded cases, an intake silencer, fiberglass insulation, plus newly designed mufflers and fans, to provide virtually silent running while maintaining quality performance.
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