2019 Yamaha EF2000iSv2


Call For Availability and Pricing



Power‑packed, Quiet And Lightweight

Quietly powers a wider range of applications for an extended time, while still portable and retro‑cool.

Top Features
  • power a much wider range of applications: The EF2000iSv2 incorporates a completely new controller with advanced programming resulting in improved output characteristics between 1600w-2000w operation ranges. The addition of the new programming allows the EF2000iSv2 the ability to
  • extra power: If you need
  • The EF2000iSv2 is powerful, portable and retro-modern and delivers maximum output with minimum effort. It weighs a mere 44 pounds, making it easy to transport. Super Light weight for 2000 watts.
  • The EF2000iSv2 is fitted with Yamaha's most technologically sophisticated muffler. It's So quiet that you can have a conversation near one and may not realize it is running. (51.5 dBA to 61 dBA - 1/4 rated to rated load).
  • compact: It is very
  • Long Run Time: - The EF2000iSv2 features
  • prevent stale gas problems: Gasoline petcock lets you shut off the gas to run the carb dry for storage and helps
  • Inverter generator: The Yamaha EF2000iSv2
  • Fuel gauge: allows fuel level to be seen at-a-glance.
  • longest emission engine durability ratings: Yamaha generators have the
Features Features
  • Light weight: — Easy transport
  • Twin Tech (Parallel generator operation): - The EF2000iSv2 can be operated in parallel to deliver 25 AMPs of rated power.
  • Compact: — 2.2 cu.ft. size is easy to store and transport
  • Parallel generator operation: - The EF2000iSv2 may be connected in parallel with an earlier model Yamaha EF2000iS.*
  • New controller with advanced programming: - The addition of the new programming allows the EF2000iSv2 the ability to power a much wider range of applications than previous generation EF2000iS.
  • Gasoline petcock: - lets you shut off the gas to run the carb dry for storage and helps prevent stale gas problems.
  • Smart Throttle varies engine speed based on load: — Improves fuel economy and reduces noise. Runs up to 10.5 hours at 1/4 rated load on a tank of gas.
  • Fuel gauge: — See fuel gauge at-a-glance
  • OHV engine with cast iron cylinder liner: — Efficient, reliable, powerful providing long life and excellent heat dissipation
  • Inverter system with Pulse Width Modulation (PWM) control: — Produces a pure sine wave to run products with built-in microcomputers or microcomputer-controlled electric tools
  • OHV engine: — Includes steel camshaft and valve train components
  • EPA & CARB Emission Engine Durability Rating: — Yamaha generators have the longest emission engine durability ratings issued by the Environmental Protection Agency and the California Air Resources Board
  • Oil Watch Warning system: — Prevents engine damage caused by low oil, avoiding costly repairs and minimizing down time, adding customer confidence and peace of mind
  • Auto-decompression system: — Reduces compression for easier starting
  • Comfortable grip handle: — Easy portability and storage
  • Electrical overload breaker: — Prevents generator damage in case of overload
  • DC Outlet: — 8A 12V outlet for charging batteries (cables included)
  • Centralized controls: — Easy access to controls
  • Rubber vibration isolation feet: — Absorbing feet for smooth operation and noise reduction
Available Accessories & Options Features
  • TwinTech Cable: — Connect two EF2000iS generators in-line with a Twin Tech cable for rated output 25 AMPs of power. Includes standard 30 amp twist-lock receptacle. For RV use, the RV Adapter Kit is required.
  • Sidewinder Parallel Power Cables: — Cables allows user to combine the power of two Yamaha EF2000iS Inverter generators. Compatibility with a standard 30A RV cord, rugged over-braided cable design, and a handy Velcro mounting system.
  • RV Adapter Kit: - The RV Adapter Kit has a 30A receptacle for RV use. Required if connecting the Twin Tech Cable to RV.
  • Accessory Cover: — Added protection, includes a storage pocket for Owner's manual, tool kit, and battery charging cables
  • Yamaha Extended Service: - Additional 1, 2 or 3 years of Y.E.S. is available
  • Accessory Hour Meter/Tachometer: — Keep track of running time for service needs
  • Am/Watt Appliance Load Tester: — Gives quick, accurate readout of watts or amps used by 120 volt AC electrical devices
  • *A second Yamaha EF2000iSv2 is recommended to use the full capabilities of this model.
  • For Accessories: , visit yamahapartsandaccessories.com
  • Type: Inverter
  • Maximum AC Output: 2000 watts
  • Rated / Maximum AC Current: 13.3 / 16.7 amps @ 120V
  • Rated AC Output: 1600 watts
  • Engine: OHV, air-cooled, single cylinder, 4-stroke
  • Displacement: 79cc
  • L x W x H: 19.3 x 11.0 x 17.9 in.
  • DC Output: 8 amps @ 12V
  • Dry Weight: 44.1 lb.
  • Fuel Tank Capacity: 1.1 gal.
  • Continuous Operation at 1/4 Rated Load: 10.5 hrs
  • Noise Level (1/4 Load - Rated Load): 51.5 - 61 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


19.3 in.
11.0 in.
17.9 in.
44.1 lb.


AC Output
DC Output
8 amps @ 12V
Fuel Tank Capacity
1.1 gal.
Noise Level
51.5 - 61 dBA
Run Time
10.5 hrs

Related Products

ALL PRICES PLUS TAX, LIC, APPLICABLE FEES. All advertised prices plus government fees taxes, any finance charges, and any dealer document preperation. All Factory Rebates and Incentives go to Dealer.