This Service Repair Manual covers the Volvo Penta 8.1 Gi engine, including its B/C/D/E/F and GXi-A/B/C/D/E variants. This internal combustion, V8 gasoline engine features an 8.1-liter displacement and is designed for marine applications, utilizing a sterndrive or inboard drive system. Known for robust engineering, these engines are built for reliable performance in demanding marine environments. This comprehensive English-language manual provides detailed information essential for the maintenance and repair of your Volvo Penta 8.1 Gi engine. It includes step-by-step instructions, zoomable illustrations, and exploded views for clarity on troubleshooting, diagnostics, repair procedures, engine removal and installation, and safety protocols. The manual also details service intervals, fluid capacities, and specifications for cooling and control systems, empowering owners and technicians to ensure optimal engine operation.