This workshop service manual provides comprehensive information for the Volvo Penta 280 marine inboard engine series. While specific production years and detailed engine configurations such as cylinder layout, displacement, horsepower, and torque vary across models, this manual is designed to cover a range of these engines. Volvo Penta is recognized for its robust engineering and reliable marine propulsion systems, and this guide aims to uphold that standard by detailing the intricacies of the 280 series for optimal performance and longevity. The purpose of this English-language workshop service and repair manual is to serve as an authoritative resource for professional technicians and DIY mechanics. It includes detailed step-by-step repair instructions, essential troubleshooting information, diagnostic procedures, and service schedules, alongside periodic maintenance charts. While specific oil types and capacities are to be confirmed within the manual, it covers overhaul procedures and typically includes wiring diagrams. This manual, sourced from the original manufacturer, is intended to be the most accurate and complete guide available for maintaining and repairing your Volvo Penta 280 engine.