2017 Yamaha EF3000iS


2017 Yamaha EF3000iS


Quiet and portable, this inverter has powerful features.


  • NOISE BLOCK, ACOUSTICALLY DESIGNED SOUND REDUCTION SYSTEM: Sound absorbing material, used in key locations, does not resonate sound. Newly designed muffler and molded fan produce unbeatable noise reduction at 53 - 60 dBA
  • INDEPENDENT GASOLINE PETCOCK: Helps reduce carburetor cleaning and repairs by eliminating stale gas in the carburetor
  • SMART THROTTLE, LOAD SENSING RPM CONTROL: Greater fuel efficiency and noise reduction by automatically adjusting engine speed to match the load
  • LONG RUN TIME: Continuous operation for up to 18.6 hours without refueling at 1/4 rated load with “Smart Throttle” function on
  • 12 VOLT DC OUTPUT, BATTERY CHARGING CABLES INCLUDED: Recharge 12V batteries for RV, auto, marine, etc.
  • INVERTER SYSTEM WITH PULSE WIDTH MODULATION (PWM) CONTROL: Can run products with built-in microcomputers, or microcomputer-controlled electric tools
  • CENTRALIZED CONTROL PANEL: Easy access to controls
  • 171 CC OVERHEAD VALVE (OHV) ENGINE: Noise-reducing operation with improved efficiency, increased reliability, and low oil consumption
  • OIL WATCH WARNING SYSTEM: Prevents engine damage to avoid costly repairs and minimize downtime adds customer confidence and peace of mind
  • FOUR WHEELS WITH PARKING BRAKE: Easy transport and mobility
  • EPA AND CARB EMISSION ENGINE LIFE RATING: Yamaha generators have the longest emission engine life ratings issued by the environmental
  • AUTOMATIC DECOMPRESSION Greatly reduces starting effort
  • FACTORY WARRANTY: Covers the entire generator for defects in parts and workmanship for three (3) years
  • Yamaha generators have the longest emission engine durability ratings issued by the Environmental Protection Agency and the California Air Resources Board.
  • Independent gasoline petcock helps reduce carburetor cleaning and repairs by eliminating stale gas in the carb.
  • The EF3000iS is equipped with advanced features and is extremely quiet yet smartly priced.
  • The EF3000iS includes Yamaha’s performance enhancing features, such as Inverter Technology, Smart Throttle, and Noise Block.
  • The EF3000iS is capable of producing clean, high-quality electricity with extremely quiet operation (53 dBA – 60 dBA).
  • This unit also features a fresh, ergonomic design with easy control access.
  • The EF3000iS features built-in wheels, so its remarkably portable - providing convenient power to the locations you need it most.
  • Yamaha’s Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind.

General Information

Manufacturer Yamaha
Model Year 2017
Model EF3000iS
Model Code EF3000IS
Color Blue


Length 26.8 in.
Height 21.9 in.
Width 17.5 in.
Weight Dry - 136 lb.



Maximum AC Output - 3,000W

Rated AC Output - 2,800W


DC Output - 12V

Rated / Maximum AC Current - 120V


DC Output - 12A

Rated / Maximum AC Current - 23.3 / 25A


Engine OHV, 4-stroke
Displacement 171 cc
Cylinders 1
Cooling Air
Run Time 18.6 hrs. @ 1/4 rated load
Fuel Tank Capacity 3.4 gal.


Warranty 3 Years Limited Warranty