{"nhtsa_id":11035695,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-04","date":"2026-04-07","document_id":"RE-IB-SB-94","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Service Bulletin is to inform about the modification in the Cam Chain tensioner. Reason: Continuous improvement Modification: Design changed from Hydro-Mechanical Tensioner to Telescopic Tensioner (without a ratchet mechanism)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035695-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035695-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035695","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ROYAL ENFIELD","model":"HIMALAYAN 450","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_royal-enfield_himalayan-450","2026_royal-enfield_himalayan-450"]}],"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":[]}