This Service Repair Shop Manual covers the Yanmar 6CXM-GTE and 6CXM-GTE2 marine diesel engines. Engineered for demanding marine applications, these engines are recognized for their robust construction and reliable performance. This manual provides comprehensive information to ensure the optimal operation and longevity of your Yanmar marine diesel engine. The purpose of this manual is to serve as a complete guide for owners, mechanics, and technicians. It details essential maintenance procedures, including periodical inspections and servicing of major engine parts, along with disassembly and reassembly instructions. Furthermore, it offers a troubleshooting guide to address potential issues and provides critical data such as tightening torques for major bolts and nuts. With numerous illustrations, diagrams, and charts, this English language manual is designed to facilitate efficient maintenance and repair.