This curriculum guide is intended to assist persons teaching a course in repairing two- and four-stroke cycle small engines. Addressed in the individual units of instruction are the following topics: safety, tools, fasteners, and measurement techniques; basic small engine theory (engine identification and inspection, basic engine principles and design, and operation principles of two- and four-stroke engines); electrical systems (basic electricity and ignition, charging, and starting systems); and engine service (parts management; lubrication, cooling, fuel, governor, and exhaust systems; troubleshooting; and overhaul of four- and two-stroke cycle engines). Each unit contains some or all of the following: performance objectives, suggested activities for teachers and students, information sheets, transparency masters, assignment sheets, job sheets, tests, and answers to the tests. (MN)