Book excerpt: SELOC Marine maintenance and repair manuals offer the most comprehensive, authoritative information available for outboard, inboard, stern-drive and diesel 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 Chilton Marine's editors/authors in our on-site facility. Providing complete coverage on everything from basic maintenance to engine overhaul, every manual features: -Simple-to-follow, step-by-step, illustrated procedures -Hundreds of exploded drawings, photographs and tables -Troubleshooting sections, accurate specifications and wiring diagrams -Recognized and used by technical trade schools as well as the U.S. military Covers all Single (SP) and Duo Prop (DP) models powered by Ford, GM or Volvo 4-cylinder, V6 and V8 engines. Over 1,375 illustrations