This comprehensive service repair manual provides detailed instructions and technical specifications for the CSG 850 WSG858 marine engine, specifically models 302 and 351. The manual includes a wealth of information designed to guide technicians and mechanics through various maintenance and repair procedures. From engine disassembly and component identification to troubleshooting common issues and performing complex repairs, this manual equips users with the necessary knowledge to effectively service these marine engines.

The CSG 850 WSG858 service repair manual covers the intricacies of maintaining and repairing two powerful marine engines: the FRD 302 and 351. These engines, known for their robust construction and reliable performance, are popular choices for a wide range of marine applications, from fishing boats to luxury yachts. The manual provides an in-depth guide to all aspects of these engines, encompassing everything from basic maintenance procedures to complex repair techniques. It is a valuable resource for both experienced mechanics and DIY enthusiasts aiming to keep their FRD engines running smoothly.

The FRD 302 and 351 marine engines are known for their durability and efficiency. The 302, with its compact size, offers excellent power-to-weight ratio, making it suitable for smaller boats and applications where space is limited. The 351, on the other hand, boasts a larger displacement, delivering increased power and torque, making it ideal for larger vessels and demanding applications. Both engines feature a cast-iron block construction, ensuring longevity and resistance to wear and tear. The manual delves into the specific design features of each engine, providing detailed diagrams and descriptions of their components. This comprehensive information allows users to understand the intricacies of the engine's operation and effectively diagnose and resolve any issues that may arise. It covers essential maintenance tasks, including oil changes, filter replacements, and spark plug adjustments, ensuring long-term engine performance and longevity. Furthermore, the manual outlines troubleshooting procedures for common issues, providing step-by-step instructions to guide users through the diagnostic and repair process.