This instructor's manual covers 20 competency-based instructional units designed to prepare entry-level outboard marine technicians. The first section explains how to use the materials and lists the units and the modules that constitute each. The second section lists the competencies taught in the course. The third section suggests instructional hours for each module. Section 4 lists 17 print references, 11 audiovisual materials, 21 information sheets that appear in the document, 115 pieces of suggested equipment, and 60 pieces of equipment that should constitute a tool kit for every two students. Section 5 lists 10 objectives for an orientation session in marine mechanics. Section 6 contains blank student performance checklists that may be copied. The 20 instructional units cover the following subjects: safety; tools; hardware; service documentation; boats, boat towing, and boat handling; gasoline engines; introduction to sterndrive systems; lubricants; electricity; painting; welding; outboard ignition systems; outboard fuel and oil systems; outboard powerhead electrical and starting systems; outboard powerhead; outboard midsection; gear cases; outboard controls; rigging; and job-seeking skills. The modules that comprise each of these units typically contain a competency statement, a set of instructional objectives, a suggested series of learning activities, checklists that can be used as aids for evaluating students' performance, a master copy of multiple choice tests, and an information sheet. (CML)