Seloc Marine Tune-up and Repair Manuals are a leading source of how-to information for the marine industry. Designed and written to serve the needs of the professional mechanic and do-it-yourself boat enthusiast. These manuals are based on actual teardowns done by Seloc's editors/authors in their on-site facility. Seloc uses easy to understand step-by-step illustrated procedures for the complete dismantling, repair and assembling of marine engines.