This standard specifies the technical requirements, inspection methods, inspection rules and marking, packaging, transportation and storage of motorcycle and moped engine cylinder blocks. This standard applies to motorcycle and moped engine cylinder blocks.
QC/T 687-2002 history
2016QC/T 687-2016 Technical specifications for motorcycle and moped engine cylinder blocks
2002QC/T 687-2002 Specifications for engine cylinder blocks of motorcycles and mopeds