Der Eintrag auf Wikipedia erklärt doch ganz gut, was es mit der 893 auf sich hat:
"The term "Yakuza" comes from a Japanese card game, hanafuda. The worst hand is a set, which includes an eight, a nine and a three. These numbers are called Ya, Ku and Sa, so a good translation is said to be "useless hand". Because of this, they are sometimes known as "hachi-kyu-san" ("8-9-3") in Japanese."
Von den beiden Möglichkeiten や
