The Honda F-11 has fifteen products enlisted in the schematic.
On this parts fiche the Packing,protector (nas) is the most specified component.
Parts such as the F-11: Packing,protector (nas), Bolt,flange Dr 6x, Packing,ex.muffle (nas), Nut, Flange, 8mm are included in the Tlm240r 1987 Hrc F-11 parts fiche.