{"nhtsa_id":11035944,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-06","date":"2026-07-10","document_id":"M1723","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; UNKNOWN OR OTHER; ENGINE","mfr_system":null,"summary":"SERVICE BULLETIN M1723 (REV A): PISTON RING KIT INSPECTION. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has identified that some piston ring kits were packaged incorrectly and will need to be inspected and/or replaced. See Figure 1. Piston Ring Kit (Part No's. 22000041 and 22000042) with a package date BEFORE February 12, 2026. REV A: Updated: Required Dealer Action and Credit Procedure. Added: Market RMA and credit information.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035944-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035944-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035944","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"AMERICANA","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":[]}