This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. for the overall cylinder block of mini-car water-cooled gasoline engines. This standard applies to the integral cylinder block of water-cooled gasoline engines for mini automobiles (hereinafter referred to as the cylinder block).
HBm 65.22-1988 history
1988HBm 65.22-1988 Mini car gasoline engine cylinder block