{"nhtsa_id":11035697,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-04","date":"2026-04-07","document_id":"RE-IB-SB-95","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Service Bulletin is to inform about the modification in the Cam Chain in the Engine assembly. Reason: Continuous improvement Modification: Cam Chain link profile modified from “N” to “ND” type for better wrapping with sprocket with Vanadium coated Pins for higher hardness and better wear resistance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035697-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035697-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035697","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ROYAL ENFIELD","model":"BULLET 350","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_royal-enfield_bullet-350","2025_royal-enfield_bullet-350","2026_royal-enfield_bullet-350"]},{"make":"ROYAL ENFIELD","model":"CLASSIC 350","year_from":2022,"year_to":2026,"match":"exact","vehicle_ids":["2022_royal-enfield_classic-350","2023_royal-enfield_classic-350","2024_royal-enfield_classic-350","2025_royal-enfield_classic-350","2026_royal-enfield_classic-350"]},{"make":"ROYAL ENFIELD","model":"HUNTER 350","year_from":2023,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"ROYAL ENFIELD","model":"HUNTER 350","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_royal-enfield_hunter-350","2025_royal-enfield_hunter-350","2026_royal-enfield_hunter-350"]},{"make":"ROYAL ENFIELD","model":"METEOR 350","year_from":2021,"year_to":2026,"match":"exact","vehicle_ids":["2021_royal-enfield_meteor-350","2022_royal-enfield_meteor-350","2023_royal-enfield_meteor-350","2024_royal-enfield_meteor-350","2025_royal-enfield_meteor-350","2026_royal-enfield_meteor-350"]},{"make":"ROYAL ENFIELD","model":"SIGNALS 350","year_from":2022,"year_to":2023,"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":[]}