This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. for camshafts used in mini-car gasoline engines. This standard applies to chilled cast iron camshafts (hereinafter referred to as camshafts) for mini-car gasoline engines.
HBm 65.21-1988 history
1988HBm 65.21-1988 Specifications for Camshafts of Gasoline Engines for Miniature Automobiles