scooterist

Etymology
From.

Noun

 * 1) A person who rides a motor scooter or other scooter.
 * 2) A person whose hobby is riding or restoring motor scooters.
 * 3)  A member of a scooter-riding subculture, associated especially with the 1960s  movement and its various revivals.

Translations

 * Italian:, scooterista