{"nhtsa_id":10195016,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-04","date":"2021-05-07","document_id":"M1527","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN","mfr_system":null,"summary":"SERVICE BULLETIN M1527: REVOLUTION MAX LEAK DETECTION. PURPOSE: To inform dealers of the potential to misdiagnose leaks on the Revolution® Max engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10195016-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10195016-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10195016","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"RA1250","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"RA1250S","year_from":2021,"year_to":2021,"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":[]}