Sōichirō Honda - 本田 宗一郎17-11-1906 - 05-08-1991
If you don't have a "secret key", then you do not have to enter anything there.
Tagged in 1980, french, xr500a
partslist-xr500a_fr_1980-30072019-1519.pdf
Parts list for Honda XR500A (1980) (French)