This workshop service repair manual provides comprehensive information for the Mercury MerCruiser 4.3L V6 (262 CID) engine. This V6 engine, originating from GM, is known for its robust engineering and reliability, making it a popular choice for various marine applications. The manual covers different fuel system configurations, including MerCarb 2 Barrel Carburetor, Weber 4 Barrel Carburetor, and Electronic Fuel Injection (EFI), as well as both Seawater Cooled and Closed Cooled systems. Its detailed illustrations, step-by-step instructions, and diagrams are designed to assist users in understanding and maintaining this powerful engine. The purpose of this English-language manual is to serve as an indispensable resource for owners, mechanics, and technicians. It offers detailed guidance on maintenance procedures, troubleshooting common issues, and understanding technical specifications. Key areas covered include the starting, ignition, and charging systems, instrumentation, exhaust components like manifolds, elbows, and risers, drive shafts, and the power steering system. By providing clear and accurate information, this manual empowers users to effectively maintain, diagnose, and repair their Mercury MerCruiser 4.3L V6 engine, ensuring optimal performance and longevity.