The Yamaha EF1000iS is light weight and user friendly.  Its small compact design has a lot to offer while producing high-quality, clean power.

The 50cc 4-stroke OHV air cooled single cylinder engine has a max AC output of 1000 watts.  The engine speed is variable and automatically adjusts to precisely match load, this results in greater fuel efficiency and noise reduction.  With a large fuel tank the Yamaha EF1000is can run up to 12 hours. Weighing in at only 12.7 kgs this machine is versatile and light weight. A 4 year warranty backs up the EF1000is; insuring years of care free use. 

The Yamaha EF1000is was built for the outdoors. It is great for RV owners and outdoors enthusiasts alike. With enough power to run a television and a microwave the EF1000is is sure to improve your next outing. The EF1000is is quite at only 47dbA. Feel confident that you want disturb nature or fellow campers when the Yamaha EF1000iS is in use. Make your campsite a much more comfortable place to be with this portable inverter generator.

This portable generators is more practical than onboard generators. Onboard generators contribute more smog forming emission in the atmosphere than the smaller energy efficient Yamaha EF1000iS.  The fuel petcock reduces carburetor contamination by turning off gasoline flow and allowing the carburetor to run dry.  A wide mouth fuel fill reduces spilling and overflow during refueling.

The Yamaha EF1000IS portable inverter generator is easy to store and simple to use. This little beast puts 1000 watts of power at your finger tip via the easy access control panel. The unit can also recharge 12 volt batteries for RV, auto, and marine with a DC output of 8 amps. Oil Watch is an oil monitoring system. This feature prevents engine ware by alerting you of low oil pressure in the engine. Oil Watch is just one of the many features that Yamaha provides to ensure the quality of its products.

More Features -

12 Volt DC Output (Battery Charging Cables Included) - Recharge 12 volt batteries for RV, auto, marine, aircraft, etc.

Inverter System with Pulse Width Modulation - Industry-leading system produces higher-quality and cleaner electricity. Results in pure sine wave as clean or cleaner than commercial power and can operate products with built in microcomputers.

Exclusive Dual Coil Alternator Stator - Lower engine speed. Reduced noise, fuel consumption and engine wear.

Centralized Control Panel - The EF1000iS Control panel enables easy access to controls.

Fuel Petcock - Reduces carburetor contamination by turning off gasoline flow and allowing the carburetor to run dry.

OHV 50cc Engine (overhead valve) - The EF1000iS Provides improved efficiency, increased reliability, low oil consumption and noise-reducing operation.

Large Fuel Fill Access - Wide mouth fuel fill reduces spilling and overflow during refueling.

Download the latest Yamaha Generator Brochure here :- YAMAHA GENERATOR BROCHURE