This Standard specifies kickback performance requirements for gasoline-powered chain saws, 80 cm 3 (4.88 in 3 ) engine displacement and smaller, Classes 1 A, 1 B, and 1 C, and electric chain saws, Classes 2A, 2B, and 2C, intended for forestry and other wood-cutting applications, as defined in CSA Z62.1 .
