1.
motorcycle; motorbike (legal and formal term)
The official legal term for motorcycles in Japan, used in vehicle registration, traffic laws, and formal contexts. In everyday speech, オートバイ or バイク are far more common.
Motorcycles are classified as ordinary or large displacement based on engine size.
The formal legal designation used in vehicle registration documents, traffic laws, and official contexts. Everyday alternatives are more common in speech.
Common collocations
- 自動二輪車免許: motorcycle license
- 大型自動二輪車: large motorcycle (over 400cc)
- 普通自動二輪車: standard motorcycle (under 400cc)
- 自動二輪車専用レーン: motorcycle lane