You must be 18 years old to obtain a moped (gentsuki) license.

Explanation

Wrong. The moped (gentsuki) license, like the ordinary motorcycle and small special vehicle licenses, requires a minimum age of 16, not 18.

Guides that explain this

• Japanese Driving Licence Types, Validity and Renewal — and What Happens If It Expires
• Japan Licence Conversion (Gaimen Kirikae) Written Test: Complete Guide

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