This manual pertains to the Volvo Penta 280 marine inboard/sterndrive, a versatile engine series designed for a range of marine applications. While specific production years are not detailed, this documentation covers various models within the 280 series, emphasizing its robust engineering and reliability in demanding marine environments. The manual is intended to provide comprehensive support for owners and technicians alike. The purpose of this manual is to serve as an authoritative resource for the maintenance, repair, and technical understanding of the Volvo Penta 280. It includes detailed step-by-step repair procedures, critical specifications, disassembly and assembly instructions, cleaning protocols, and reinstallation guidance. Furthermore, the manual offers troubleshooting assistance and includes essential diagrams and torque specifications, making it an indispensable tool for both professional technicians and DIY mechanics seeking to ensure optimal performance and longevity of their marine propulsion system.