2018 Yamaha EF4500iSE Generator


2018 Yamaha EF4500iSE Generator


The powerful engine allows this inverter to run at very low engine speed, reducing fuel consumption, noise, vibration and wear.


  • 4500 watt maximum output, 4000 watt rated continuous output —Suitable for running most 15,000 BTU RV air conditioners and 1000 watt microwave oven, or two major RV appliances simultaneously.
  • Noise Block sound reduction system — Very quiet 58-60 decibels
  • Low speed running — Using the most powerful engine in its class to run at a constant ultra low speed of 2600 rpm to reduce gasoline consumption, extend running time between refueling and reduce noise and engine wear
  • Up to 15.2 hours running time at one quarter rated load between refueling
  • 50 state legal — Meets CARB emission regulations and given highest EPA rating
  • Pulse Width Modulation Inverter System — Sine wave as clean as or cleaner than household electricity. Suitable for computers, televisions, satellite TV systems and other sensitive electronic equipment and appliances
  • Optional wireless remote control — Start and stop the generator from up to 66 feet away
  • Electric start — Effortless turn the key to start
  • Automatic choke — Easy starting even in cold climates
  • Low oil warning system — Shuts the engine off to protect the engine if the oil level drops
  • Power meter — Easy to read meter indicates the amount of power being used and the amount that’s available
  • Hour meter — Displays the amount of running time accumulated to indicate servicing or refueling interval
  • Twin bar — Aids in lifting and loading. Also utilize for transport and anti-theft security
  • Gas gauge — Indicates amount of gasoline to indicate refueling interval
  • Factory warranty — Covers the entire generator for defects in parts and workmanship for three (3) years
  • Stylish design — Attractive and practical
  • Four wheels with parking brake — Easy transport and security

General Information

Manufacturer Yamaha
Model Year 2018
Model EF4500iSE Generator
Model Code EF4500ISE
Color Blue


Length 30.7 in.
Height 27.2 in.
Width 24.3 in.
Weight Dry - 194 lb.



Maximum AC output - 4,500 watts

Rated AC output - 4,000 watts


Rated AC current - 33.3 amps @ 120V

Maximum AC current - 37.5 amps @ 120V


Engine 4-stroke, single-cylinder, air-cooled OHV
Displacement 357 cc
Run Time Continuous operation at 1/4 rated load - 15.2 hours
Fuel Type Gasoline
Fuel Tank Capacity 4.5 gal.



Noise level (1/4 load) - 58 dBA

Noise level (rated load) - 60 dBA

Warranty 3-year limited