This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. for mini-car gasoline engine cast aluminum pistons. This standard applies to cast aluminum pistons (hereinafter referred to as pistons) of mini-car gasoline engines.
HBm 65.8-1988 history
1988HBm 65.8-1988 Specifications for Cast Aluminum Pistons of Miniature Automobile Gasoline Engines