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2015 Yamaha EF2800i

Estimated price for orientation: 1 699 $

Category: Yamaha

Model Overview & Specs

Engine TypeOHV, air-cooled, single cylinder, 4-stroke
Displacement171 cc
Length19.2 in.
Width15.6 in.
Height16.7 in.
Weight68 lb.
AC OutputMaximum: 2800 W; Rated: 2500 W
DC Output8.3 amps @ 12V
Fuel Tank Capacity2.6 gal.
Noise Level64 - 68 dBA
Run Time14.7 hrs. @ 1/4 rated load
* Price shown is based on the manufacturer's suggested retail price (MSRP) and is subject to change. MSRP excludes destination charges, optional accessories, applicable taxes, installation, setup and/or other dealer fees.

Smart Power.

2800 maximum watts of output in a compact 66-pound package equals exceptional power output to weight ratio.

Top Features
  • The EF2800i weighs just 68 pounds, making it the lightest generator in its class. The key is the multi-pole rotor with a small stator. This design is smaller and lighter than a conventional twopole alternator with a large stator—and it helps make the EF2800i extremely portable.
  • With the EF2800i, Yamaha has created one of the quietest generators in its class (64-68 dBA). Our engineers looked at the total design, and then made changes where they would be most effective: engine operating speed, intake noise, exhaust noise, and valve train noise.
  • The EF2800i—with its inverter system—features Pulse Width Modulation (PWM) so wavelength distortion is less than 2.5 percent, making it ideal for equipment that requires stable frequency and voltage, such as computers or other sophisticated electronics.
  • Yamaha’s Smart Throttle feature automatically adjusts engine speed to match the load. The result is quiet running, maximum fuel efficiency, and a run time of 14.7 hours at ¼ rated load.
  • Yamaha’s Oil Watch warning system prevents engine damage, avoiding costly repairs and minimizing down time.
  • Inverter system with Pulse Width Modulation (PWM) control — Can power computers, or computer-controlled electric tools or devices
  • Smart Throttle — Improves fuel economy and reduces noise
  • Multi-pole alternator — Excellent power output to weight ratio
  • GFCI (Ground Fault Interrupter Circuit) — Helps reduce the risk of shock
  • OHV engine — Improved efficiency, increased reliability quieter operation
  • Cast iron cylinder lining — Provides long engine life and consistent performance during continuous use
  • Oil Watch Warning System — Prevents engine damage, avoiding costly repairs and minimizing down time
  • USFS-approved spark arrestor — Reduces chance of fire caused by an errant spark
  • Noise suppressor — Reduces electrical interference with TVs and radios
  • Specially designed muffler — Reduces noise and weight
  • AC non-fuse thermal circuit breaker — Added durability and peace of mind
  • 12-volt DC output — Recharge 12 volt batteries for RV, auto, marine, etc.
  • Open frame design — Provides a lighter weight and large gasoline capacity
  • EPA & CARB Emission Engine Life Rating — Yamaha generators have the longest emission engine life ratings issued by the environmental Protection Agency and the California Air Resources Board
  • Factory Warranty — Covers the entire generator for defects in parts and workmanship for three (3) years
  • 50 state legal — Meets emission regulations, including CARB
  • Type: Brushless, Inverter
  • Maximum AC Output: 2800 watts
  • Rated AC Output: 2500 watts
  • Rated / Maximum AC Current: 20.8 / 23.3 amps @ 120V
  • Engine: OHV, air-cooled, single cylinder, 4-stroke
  • Displacement: 171cc
  • L x W x H: 19.2 x 15.6 x 16.7 in
  • DC Output: 8.3 amps @ 12V
  • Dry Weight: 68 lb
  • Fuel Tank Capacity: 2.6 gal
  • Continuous Operation at 1/4 Rated Load: 14.7 hr
  • Noise Level (1/4 Load - Rated Load): 64 dBA - 68 dBA
  • Warranty: 3 Years Limited Warranty

Compare Models


StylePull Start  
Length19.2 in.  
Width15.6 in.  
Height16.7 in.  
Weight68 lb.  
Engine TypeOHV, air-cooled, single cylinder, 4-stroke  
Displacement171 cc  
AC OutputMaximum: 2800 W; Rated: 2500 W  
DC Output8.3 amps @ 12V  
Fuel Tank Capacity2.6 gal.  
Noise Level64 - 68 dBA  
Run Time14.7 hrs. @ 1/4 rated load  

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