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Yamaha EF2000iS Review

Yamaha 2000 watt inverter

The Yamaha EF2000iS portable inverter generator can generate up to 2000 watts of AC power to keep your electronic necessities running during inclement weather and emergency situations. This gasoline-powered generator is compact and efficient -- its Smart Throttle Load system maximizes fuel economy, while its state-of-the-art muffler keeps noise to a minimum.

Specifications

  • 1600 watt rated AC output, 2000 watt maximum AC output, 13.3/16.7 amps @ 120V
  • Super-quiet muffler with USFS-approved spark arrestor - 51.5 dBA at 1/4 load
  • Smart Throttle varies engine speed based on load - improves fuel economy and reduces noise
  • Inverter system with Pulse Width Modulation (PWM) control
  • CARB Compliant

The quality is just what you'd expect from a Yamaha 2000 watt inverter generator. The inverter system dependably charges delicate electronics without the risk of damage or overload, so you can keep cell phones, electronic medical devices and other items running in an emergency. It's also an economical and efficient addition to camping trips and recreational vehicles.

Hours of Steady Operation

When you lose power due to poor weather, the last thing you want to think about is running out into the storm to refuel your generator. When operated in economy mode, the Yamaha 2000 inverter can run for up to 10.5 hours on a single one-gallon tank of gas. This lets you refuel at bedtime and rest easy knowing your electricity will last until morning. Worrying less about keeping the power flowing allows you to concentrate on keeping your family safe.

Pros

  • Small size
  • Inverter system for delicate electronics
  • Runs for 10.5 hours on one tank of gas
  • Portable
  • Relatively quiet
  • Quality Yamaha construction

Cons

  • Somewhat costly
  • Difficult to disassemble for maintenance
  • High oil consumption
  • Gasoline units may have shorter lives than diesel units

Compact but Powerful

This Yamaha 2000 watt inverter generator weighs just 44 pounds and stands about 18 inches tall, making it a small but mighty choice for your generator needs. Its Smart Throttle Load system analyzes output and dynamically adjusts the generator's engine speed to compensate. This means you're never burning unnecessary fuel or producing more energy than you need. Efficient heat dissipation eliminates the risk of overheating.

Quiet & Efficient

While no generator can operate silently, the EF2000iS features glass wool construction to insulate the engine and minimize noise even during maximum output. The generator also features vibration-reducing feet and a muffler to dampen engine sound and keep operation as quiet as possible.

Easy Operation

No Yamaha ef2000is review is complete without discussing what it's actually like to use this generator. The Yamaha 2000 inverter starts up with a pull cord and adjusts with push-button controls, making it simple to operate. When it comes to ease of use, customers rank this generator highly.

Conclusion

Don't let your next power outage leave you in the dark. As you've seen from this review, this 2000 Kw inverter is a smart choice for powering necessities and charging delicate electronics. While this generator may not be the cheapest in its class, the Yamaha name lets you know you're buying a quality piece of machinery.

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