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Yamaha EF4500iSE 4500 Watt Brushless, Inverter Generator

By Yamaha-Motor
Part #: EF4500ISE
  • Yamaha EF4500iSE Generator
  • Generator Type: Brushless, Inverter
  • Fuel Type: Gasoline
  • Maximum AC Output: 4500 Watts
  • Rated AC Output: 4000 Watts
  • Rated/Maximum AC Current: 33.3 / 37.5 Amps at 120V
  • Engine: OHV, Air-Cooled, Single Cylinder, 4-Stroke
  • Displacement: 357cc
  • Dimensions: 30.7” x 24.3” x 27.2”
  • Dry Weight: 194 lbs.
  • Fuel Tank Capacity: 4.5 Gal.
  • Continuous Operation at ¼ Rated Load: 15.2 hr.
  • Noise Level (1/4 Load – Rated Load): 58-60 dBA

This product is no longer offered.
Have questions? Call us at 866-205-5299


The Yamaha EF4500iSE Generator is suitable for running most 15,000 BTU RV air conditioners and 1000 watt microwave oven, or two major RV appliances simultaneously. Designed for maximum fuel efficiency and minimum noise, its super-powerful engine allows it to run at the very low engine speed of just 2600 rpm, 1000 rpm lower than other generators in its class. That slow engine speed pays off big time in reduced fuel consumption as well as less noise, vibration, and engine wear. The Pulse Width Modulation Inverter System produces a sine wave as clean or cleaner than household electricity. It is suitable for computers, televisions, satellite TV systems, and other sensitive electronic equipment and appliances. Electric start makes starting effortless, turn the key to start and power appliances you want. Automatic choke provides easy starting even in cold climates. The Oil Watch Warning System shuts or the engine if the oil level drops helping to prevent engine damage from low oil. It features a Noise Block sound reduction system which makes it a very quiet generator for its output, 58-60 decibels. It has a Stylish, attractive, and practical design with four wheels and a parking break for easy transport and security. The twin bar aids in lifting and loading, and can also be utilized for transport and anti-theft security. The easy to read Power meter indicates the amount of power being used and the amount that’s available. The Hour meter displays the amount of running time accumulated to indicate servicing and refueling interval. The gas gauge indicates amount of gasoline to indicate refueling interval. It is 50 state legal, meets CARB emission regulations, and is given highest EPA rating.


Generator & Inverter Generator Type
Portable Generator
Generator & Inverter Running Wattage
4000 - 5900 Watts


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