Standard Features
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Conquer power.

The EF6300iSDE quietly cranks-out up to 6,300 watts of pure sine wave inverter power at 120 or 240 volts. Offering all of the inverter benefits into a portable generator that is powerful enough to be self-sufficient or a versatile home standby power source.


Model Year
Starting at MSRP


30.7 in. (780 mm)
27.2 in. (692 mm)
24.3 in. (616 mm)
225 lbs. (102 kg) dry


MZ360, OHV, 2-valve, 4-stroke
357 cc
Air (fan-assist)
Run Time
13.3 hrs. @ 1/4 load
5.1 hrs. @ rated load
Fuel Type
87 octane regular gasoline
Fuel Tank Capacity
17 l
Oil Capacity
1.3 l


Maximum AC Output: 6,300W
Rated AC Output: 5,500W
Regulator: Inverter (Pulse Width Modulation)
Maximum / Rated AC Output: 52.5 / 45.8A @ 120V; 26.3 / 22.9A @ 240V

Standard Features

 Powered by Yamaha's MZ360; 357 cc, air-cooled (fan-assist), OHV, 2-valve, 4-stroke, 1-cylinder engine with electronic transistor controlled (TC) ignition  
 Super convenient electric starting  
 Pulse Width Modulation provides super "clean" power. As clean or cleaner than you get from a household receptacle.  
 Rated AC output for continuous use is 5,500W / 45.8A at 120V and 5,500W / 22.9A at 240V  
 Bonded neutral  
 Dual 120 / 240V output offers excellent versatility  
 Non-fuse type circuit breaker (NFB) prevents internal circuit damage in the event of an overload  
 Smart Throttle / Economy Control automatically adjusts engine speed to match the load, saving fuel, reducing noise and engine wear  
 Yamaha's Noise Block body design features a molded casing and noise-absorbing glass wool to provide ultra quiet operation  
 Auto choke for easy, no hassle starting  
 Yamaha's Oil Watch Warning system automatically shuts off the engine when oil level is low and will not restart until oil is added, preventing costly engine damage and enhancing long-term durability  
 Indicator lights for AC power output, low oil and AC overload  
 Power meter indicates the amount of power being used and what's still available  
 Hour meter displays the accumulated running time in order to monitor service intervals  
 Washable foam air filter reduces maintenance costs  
 Cleanable spark arrestor stops the possibility of sparks from exiting the exhaust  
 On - off fuel petcock lets you shut off the gas to run the carb dry for storage, helping to prevent stale fuel problems, which are becoming more common with ethanol based fuels  
 Large fuel filler hole. Fuel gauge is standard.  
 4 built-in wheels, with parking brake, provides greater portability  
 Twin bar body design makes moving the unit easier and provides solid points for an anti-theft cable  
 CSA approved (Canadian Standards Association)  
 EPA and 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  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.
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