This Service Repair Workshop Manual provides comprehensive information for the Yamaha V6 Excel H, an early V6 model produced in 1988. Engineered for reliability, this outboard drive system is available in 150 HP, 175 HP, and 200 HP configurations, including the 150H, PROV150H, 175H, and 200H variants. Its V6 engine configuration, likely featuring fuel injection and water-cooling, is designed for robust performance and durability, making it a dependable choice for various marine applications. This factory-produced manual is an essential resource for owners, mechanics, and technicians. It details all repairs, servicing, and troubleshooting procedures, supplemented by hundreds of pages of step-by-step instructions, exploded diagrams, and photographs. The manual covers critical aspects of the V6 Excel H, ensuring proper maintenance and efficient operation. It serves as the definitive guide for understanding and maintaining the complex systems of this Yamaha outboard motor.