Description: The Yamaha EF1000iS offers long continuous running capability and supplies high quality energy required nowadays to power electronic products with built in micro computers, such as laptops.

The EF1000iS weighs only 12.7kg and is equipped with a new 4 stroke OHV 50cc engine. The Yamaha exclusive double coil system gives better fuel economy, a continuous running time of 12 hours and less noise.