The Bolt, Hexagon is the most widely applied product in the T9.9ELRB/ELHB/EXHB 2003 UPPER CASING ( six times ).
The Yamaha UPPER CASING has thirty-nine products enlisted in the schematic.
Parts such as the Upper Casing: Seal, Guide, Exhaust, Bush(6g8), Washer, Plain (663) are included in the T9.9elrb/elhb/exhb 2003 Upper Casing parts fiche.