Designed and written to serve the needs of the professional mechanic, do-it-yourself boat enthusiast, instructor, and student, these manuals are based on actual teardowns done by Seloc authors at their on-site facility. Every manual provides complete coverage on everything from basic maintenance to engine or drive overhaul. Features simple-to-follow, step-by-step illustrated procedures; hundreds of exploded drawings, photographs, and tables; maintenance intervals; troubleshooting sections; accurate specifications; and extensive wiring diagrams. For Mercruiser '64 - '91 - all gas engines and stern drives. Marine Stern Drive & Inboard Repair Manual for Mercruiser '64 - '91.