This manual covers the Yanmar 2QM15 and 2QM15G marine diesel engines. These engines are known for their robust engineering and reliability, making them a trusted choice for marine applications. Designed for durability and efficient operation, they provide dependable power for a variety of maritime needs. Their straightforward design ensures ease of maintenance and longevity, reflecting Yanmar's commitment to quality in marine propulsion.

The purpose of this comprehensive shop manual is to provide detailed information for the maintenance and repair of your Yanmar 2QM15 and 2QM15G marine diesel engines. It includes extensive coverage of general information, basic engine principles, and specific systems such as the fuel system, governor, and intake and exhaust systems. This guide is an essential resource for owners, mechanics, and technicians seeking to understand, service, and maintain these engines to ensure optimal performance and extend their operational life.