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 Gasoline Engines and Drive Systems. Over 1,400 illustrations. Provides skill level ratings on all procedures and Special Tool icons where applicable.