オートバイ (ōtobai) means “motorcycle”

More examples

オートバイに乗るときは、ヘルメットをかぶります。ō to ba i ni no ru to ki wa he ru me tto o ka bu ri ma su

I wear a helmet when I ride a motorcycle.

Describes a two-wheeled vehicle that moves by engine power rather than by pedaling.

バイクbaiku: A common informal term for a motorcycle that can also refer to a bicycle.

エンジンの力で走る二輪の乗り物。e n ji n no chikara de hashi ru ni rin no no ri mono

The Japanese noun オートバイ (ōtobai) is a shortened form of オートバイシクル (ōtobaishikuru), based on the English words "auto" and "bicycle."

In English, motorcycle is the standard term, while motorbike is also common, especially in British English.