Yamaha EDA5000T Service and Repair Manual
The data plate on this generator reads EDA500T, and the service manual Yamaha wrote for it is LIT-19616-00-12.
That manual also covers the EDA300, EDA300DV, EDA4700(E), EDA4700DV(E), EDA4700T, EDA5000(E) and EDA5000DV(E). One volume, the whole EDA range, which is how Yamaha chose to document machines built from common assemblies.
The technical depth is dealer-level. You get the sequence for taking the unit apart and putting it back together, the inspection measurements and limits that decide whether a component is reused, tightening torques, wiring diagrams for the generating and control circuits, maintenance intervals, and troubleshooting arranged from symptom to likely cause.
Confirm the code stamped on your unit against the application list before starting, since the suffix determines which figures apply.