An option :
osm.wiki/Tag%3Ashop%3Dstreet_vendor

Example to tag the times it's there :
https://projets.pavie.info/yohours/?oh=May-Sep%2008:00-22:00

osm.wiki/Tag:amenity%3Dtoilets

Selling motorcycles
https://www.honda.es/motorcycles/concesionarios/S41247.html

https://taginfo.openstreetmap.org/keys/motorcycle:sales

Most likely also parts and other services
https://taginfo.openstreetmap.org/search?q=motorcycle%3A

Motorcycle tags :
osm.wiki/Tag:shop%3Dmotorcycle

Background info :
osm.wiki/Namespace_tag_overview#Vehicle_service_tags

I assume this is a pure motorcycle shop (not car ?)
osm.wiki/Tag:shop%3Dmotorcycle

Probably closed
https://www.motorradonline.de/ratgeber/hein-gericke-meldet-zum-vierten-mal-insolvenz-an-zubehoer-kette-pleite-abverkauf-laeuft/

osm.wiki/Tag%3Afaculty%3Dengineering

Typo in the name. There's meanwhile a template in ID editor. Didn't want to apply it as the entry is 10 years old. Please check whether they possibly relocated.
osm.wiki/Tag:brand%3DHarley-Davidson

There's meanwhile a draft in ID editor :
osm.wiki/Tag:brand%3DHarley-Davidson

Seems there's a spaceport about to be built here : Whalers Way Orbital Launch Complex
https://southernlaunch.space/whalers-way