This is the complete 700+ page service manual for the Yanmar 3 & 4-Cyl diesel engine.
This is the same manual that the repair shops use! It contains hundreds of pictures and diagrams containing all the information you need to repair and troubleshoot your Yanmar diesel engine.
Covers All Years and Serial Numbers - Other websites sell manuals that are incomplete or only cover a specific year of the machine. This manual is guaranteed to be complete and to cover your machine's model year and serial number.