The Yamaha EF2400iS is a versatile inverter generator designed for reliable portable power generation. Engineered with a 171cc 4-stroke engine, it delivers 2000 watts of rated power and a maximum of 2400 watts, operating on unleaded gasoline. This generator features a fuel capacity of 1.1 liters, providing up to 8.1 hours of run time at 25% load, and operates at a quiet 53 dBA. Its compact design, weighing 26 kg, makes it ideal for various applications requiring clean and stable 120V, 60Hz power, including recreational use, job sites, and emergency backup.

This Service Repair Manual provides comprehensive guidance for the Yamaha EF2400iS inverter generator. It covers essential maintenance procedures, including recommended oil types and capacities, along with detailed troubleshooting steps to address potential issues. Technical specifications, operational details, and safety guidelines are thoroughly explained to assist owners, mechanics, and technicians. The manual's structure, featuring a clickable index, ensures efficient navigation for maintaining the generator's performance and longevity.