The following link from "How Stuff Works" has information that would be useful while teaching small engines.  The site has articles, videos and pictures that I have used in class.  The articles are informative and provide great source material for students to use for assignments.



Kevin Jump
Area Mechanics Teacher
Central Region Agricultural Education
PO Box 4060
1005 State University Drive
Fort Valley, GA  31030
478 825 6068 office
478 230 8344 cell
478 825 6980 fax