“FOR ME EXHAUST VALVE SEAT OS 1 MM
MAKER: YAMMAR QINGDAO ZICHAI BOYANG DIESEL ENGINE CO. INC; MODEL NO.8N330-EN
SERIAL NO.20108072” “EXHAUST VALVE SEAT OS 1 MM
( REQUESTED OVERSIZED BY 1 MM )” YANMAR.N330L-EN.132654-11932