This industrial service repair workshop manual covers Volvo Penta 7.4 Gi, 7.4 GSi, and 8.2 GSi Sterndrive models produced between 1999 and 2006. These sterndrive units are engineered for robust performance and reliability, offering powerful propulsion for various marine applications. The manual details the specific variants, including those with 7.4L and 8.2L displacements, designed to meet demanding operational requirements. The purpose of this comprehensive English-language manual is to provide detailed guidance for all repairs, servicing, and routine maintenance procedures. It includes step-by-step instructions, illustrative pictures, and essential wiring diagrams to assist owners, mechanics, and technicians. The scope covers routine maintenance, component replacement such as oil and fuel filters, and troubleshooting guidance to ensure optimal performance and longevity of the sterndrive units.