{"nhtsa_id":10057408,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-05-27","date":"2015-02-13","document_id":"1037","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"HARLEY DAVIDSON: CHANGES TO ROAD ZEPPELIN SEATS AND SEAT PADS HAVE UNDERGONE SIGNIFICANT DESIGN IMPROVEMENTS. ROAD ZEPPELIN SEAT PADS 52000084, 52400060. *LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10057408","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"HARLEY DAVIDSON","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}