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2019 Yamaha EF6300iSDE





Our Most Powerful Inverter Ever

The EF6300isde is the most powerful, most advanced Yamaha inverter generator ever.

Top Features
  • The EF6300iSDE cranks out up to 6300 watts of pure sine wave inverter.
  • With sophisticated capabilities like dual 120-volt and 240- volt power, you can run almost any type of equipment with total confidence. From high-demand equipment such as well pumps, compressors and RV air conditioners to sensitive electronics like plasma TVs, satellite receivers and computers.
  • With its electric starting capability, the automatic choke makes for easy starting. The EF6300iSDE is ideal for outdoor recreation and power outage emergencies.
  • Excellent fuel efficiency means a run time of 13.3 hours at a constant 1/4 load on just a single tank of gas.
  • The EF6300iSDE features Noise Block sound reduction system which makes it a very quiet generator for its output; 58-64 decibels.
  • Yamaha's Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind.
Features Features
  • Noise Block: — Quiet, pleasant to use
  • Pure Sine Wave (Pulse Width Modulation) Inverter System: — Run electronic equipment, appliances, variable-speed power tools and computers
  • Smart Throttle: — Automatically adjusts engine speed to match power demand, reduces noise, fuel consumption and engine wear
  • Wireless Remote (Optional): — Start & Stop the generator from up to 66 feet away
  • Electric start: — Effortless starting (battery included)
  • Low oil shutoff: — Protects engine from low oil damage
  • Automatic choke: — Effortless starting
  • Fuel level gauge: — See fuel level at a glance
  • Power meter: — See how much power is being used and how much power is available
  • Dual voltage 120/240 volt: — Versatile, operate variety of 120V and 240V tools and appliances
  • Hour meter: — Shows accumulated running time for refueling and service scheduling
  • Lightweight: — Easy transport
  • Twin bar: — Aid lift, transport and provide security point
  • Stylish design: — Nice appearance and Modern design
  • 50 state legal: — Meets CARB emission regulations and given highest EPA rating
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: 6300 watts
  • Rated AC Output: 5500 watts
  • Rated / Maximum AC Current: 45.8 amps / 52.5 amps @120V - 22.9 amps / 26.3 amps @ 240V
  • Engine: OHV, air-cooled, single cylinder, 4-stroke
  • Displacement: 357cc
  • L x W x H: 30.7 x 24.3 x 27.2 in.
  • Dry Weight: 200 lb.
  • Fuel Tank Capacity: 4.5 gal
  • Continuous Operation at 1/4 Rated Load: 13.3 hr
  • Noise Level (1/4 Load - Rated Load): 58 ~ 64 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


30.7 in.
24.3 in.
27.2 in.
200 lb.


AC Output
Fuel Tank Capacity
4.5 gal
Noise Level
58 ~ 64 dBA
Run Time
13.3 hr

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