This manual covers the Volkswagen TDI 3.0L V6 Diesel marine engine, designed for reliable marine propulsion. The TDI 3.0L V6 Diesel engine series, including models such as the Volkswagen TDI 3.0L 225-6 and Volkswagen TDI 3.0L 265-6, represents a commitment to robust engineering and dependable performance in demanding marine environments. Its V6 diesel configuration and 3.0-liter displacement are engineered to deliver efficient power and sustained operation for a variety of watercraft. This comprehensive Service Repair Factory Manual in English provides essential information for the maintenance and repair of your Volkswagen TDI 3.0L V6 Diesel marine engine. It details critical procedures including technical data, self-diagnosis, engine removal and installation, crankshaft group, cylinder head and valve gear, lubrication, cooling, fuel supply, charging, mixture preparation, injection, exhaust systems, starter and current supply, glow plug systems, gauges, instruments, and wiring. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure optimal performance and longevity of their marine propulsion system.