2019 Yamaha EF3000iS

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Quiet, Clean Power At A Value Price

Quiet and portable, this inverter has powerful features all backed by a 3‑year warranty.

Top Features
  • 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.
Features 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 12-volt 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
  • 171cc 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 down time adds customer confidence and peace of mind
  • Four wheels with parking brake: — Easy transport and mobility
  • EPA & 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
Available Accessories & Options Features
  • Accessory Cover: — Added protection, includes a storage pocket for Owner's manual, tool kit, and battery charging cables
  • Accessory Hour Meter/Tachometer: — Keep track of running time for service needs
  • Am/WattTM Appliance Load Tester: — Gives quick, accurate readout of watts or amps used by 120 volt AC electrical devices
  • Yamaha Extended Service: — Additional 1, 2 or 3 years of Y.E.S. is available
  • Type: Brushless, Inverter
  • Maximum AC Output: 3000 watts
  • Rated AC Output: 2800 watts
  • Rated / Maximum AC Current: 23.3 / 25.0 amps @ 120V
  • Engine: OHV, air-cooled, single cylinder, 4-stroke
  • Displacement: 171cc
  • DC Output: 12 amps @ 12V
  • L x W x H: 26.8 x 17.5 x 21.9 in.
  • Dry Weight: 136 lb.
  • Fuel Tank Capacity: 3.4 gal
  • Continuous Operation at 1/4 Rated Load: 18.6 hr
  • Noise Level (1/4 Load - Rated Load): 53 - 60 dBA
  • Warranty: 3 Years Limited Warranty
Price and specifications subject to change without notice. Please read your Owner's Manual and the product warning labels before operation.



Engine Type
OHV, air-cooled, single cylinder, 4-stroke


26.8 in.
17.5 in.
21.9 in.
136 lb.


AC Output
DC Output
12 amps @ 12V
Fuel Tank Capacity
3.4 gal
Noise Level
53 - 60 dBA
Run Time
18.6 hr

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