{"nhtsa_id":10125153,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2017-11-15","document_id":"1HD-X3H4B-12","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE","mfr_system":null,"summary":"SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. Purpose: 2017 and 2018 model motorcycles equipped with a Milwaukee-Eight engine can experience a condition known as sumping during extended periods at high rpm or under heavy engine load. This bulletin provides the diagnostic procedure for determining if sumping is occurring.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125153-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125153-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125153","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"FLHP","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHR","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTCU","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTCUL","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTCUTG","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTK","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTKL","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTKSE","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTP","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHX","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHXS","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHXSE","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLRT","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLSL","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLSTB","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLSTF","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLSTN","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRUSE","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRX","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRXS","year_from":2017,"year_to":2018,"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":[]}