For those of us who are using Yanmar engines, here are three different manuals. They cover the 1GM, 2GM, 3GM and 3HM family.
- Yanmar Operation Manual. A handbook which may have come as a hard copy with your engine, covering basic installation and operation. This is a small download file.
2. Yanmar Service Manual. A highly detailed technical manual with excellent drawings. This is a medium-sized download file.
3) Yanmar Workshop Manual. A cross between the other two manuals, this has drawings (albeit less detailed than the Service Manual) and includes useful photographs too. The first chapter is an introductory engineering course in itself! This is a large download file.