This manual covers the MerCruiser Gen III Cool Fuel system for various marine engine models, including the 5.0L MPI Bravo, 350 MAG MPI Bravo, 6.2L MPI Bravo, Sterndrive 496 MAG, Inboard 350 MAG MPI, Inboard 6.2L MPI, and Inboard 8.1L (496cid). These engines are designed for marine applications, and this factory service repair manual provides detailed information to ensure they remain in top operating condition. The manual is supplemented to Manuals #30 & #31, offering comprehensive coverage for service mechanics and dealers. The purpose of this English-language manual is to provide detailed service information, repair instructions, and maintenance specifications for the MerCruiser Gen III Cool Fuel system. It includes sections on general information, maintenance, the Gen III Cool Fuel module itself, and the fuel and cooling systems. With detailed disassembly, assembly, inspection, and adjustment procedures, accompanied by photos and illustrations, this manual is an essential resource for owners and technicians alike to effectively maintain and repair their MerCruiser engines.