This factory service repair manual provides comprehensive information for the MerCruiser Blackhawk Stern Drive Unit. Designed for optimal performance and reliability, MerCruiser products are engineered to deliver exceptional marine propulsion. This manual serves as the definitive guide for understanding and maintaining the intricate systems of the Blackhawk Stern Drive Unit. This English-language manual covers essential areas including general information, maintenance schedules, troubleshooting procedures, and detailed repair instructions for all models. It features step-by-step guidance, disassembly and assembly procedures, inspection and adjustment protocols, and is enhanced with photos and illustrations. This resource is intended for dealers and service mechanics, empowering them to perform accurate diagnostics and repairs, ensuring the longevity and peak operational efficiency of the MerCruiser Blackhawk Stern Drive Unit.