自じ動どう二に輪りん車しゃじどうにりんしゃじ字FuriganaMeanings1nounmotorcycle (50cc or more)Formal or legal term for a motorcycle with an engine displacement of 50cc or larger, as opposed to a moped (原動機付自転車). In everyday conversation, バイク is more common.自じ動どう二に輪りん車しゃの免めん許きょを取とるには教きょう