I commute by moped.
Getting a moped license is easy.
The high school student commutes to school on a moped.
You can get a moped license once you turn sixteen.
Riding a moped in the rain is dangerous.
原動機付自転車 is the full legal term for a motorized bicycle, while 原付 is the everyday abbreviation used in speech and casual writing.
原付 is the legal category for small-engine mopeds/scooters under Japanese traffic law, while スクーター simply describes the step-through vehicle shape regardless of engine size.
原付 refers specifically to a small-engine moped under 50cc, whereas オートバイ covers motorcycles of any size.
原付 is counted with 台, the standard counter for vehicles and machines.
Standard spelling with okurigana; high frequency in news.
Common abbreviation spelling; the okurigana-less form is widely used in signs and documents.
Abbreviation of 原動機付自転車 (motorized bicycle).