amenity=restaurant / fast_food,
cuisine=chana_bhel ?
shop=street_vendor

Is this here ? https://www.palmengarten-neustadt.de

name or brand KTM ?
https://taginfo.openstreetmap.org/tags/brand=KTM
also see the possible tagging here
shop=motorcycle

brand=KTM ?

"Dauerhaft geschlossen" gemäss Facebook vom 17 April 2019

The brand may not be found as of a typo. Please also check whether the POI is still valid in general (not relocated or closed)
brand=Harley-Davidson

AFAIK this is "conditional" for motor vehicles (in case of snow : no)

brand=KTM ?

osm.wiki/Tag%3Aaeroway%3Dspaceport#Common_tagging_mistakes

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