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. Every manual features: -Easy-to-follow, step-by-step, illustrated procedures -Hundreds of exploded drawings, photographs and tables -Troubleshooting sections -Accurate specifications and wiring diagrams Covers all 3-150 Hp, 1 to 4-cylinder models. Over 1,260 illustrations.