SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. 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's editors/authors in our on-site facility. Step-by-step illustrated keyed procedures guide you through every conceivable job possible, including all adjustments necessary.