This workshop service repair manual covers Volvo Penta 285 / 285A models for all production years, transmissions, and trim types. Volvo Penta is renowned for its robust engineering and reliable marine propulsion systems. While specific engine details like type, displacement, and power are covered within the manual, the 285 / 285A series is designed for dependable performance in various marine applications. This comprehensive guide ensures you have the necessary information to understand and maintain your vessel's core components. The purpose of this English-language manual is to provide detailed guidance for owners, mechanics, and technicians. It encompasses a wide range of essential topics, including comprehensive step-by-step maintenance procedures, in-depth troubleshooting for electrical systems with wiring diagrams, and detailed technical specifications. Furthermore, the manual includes information on assembly and disassembly, special tools, safety guidelines, and design and function of components such as the sterndrive transmission, transom shield, and trim system. With hundreds of pages of information, this manual is an indispensable resource for keeping your Volvo Penta 285 / 285A operating at peak efficiency.