{"nhtsa_id":11029287,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-03","date":"2026-02-26","document_id":"CRF300 #1 - February 2027","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"Service Bulletin - A fuel permeation test revealed that the fuel system does not meet regulatory standards. The fuel system has a lower than expected permeation value and is not within emission certification compliance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029287-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029287-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029287","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HONDA","model":"CRF300L","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_honda_crf300l","2022_honda_crf300l","2023_honda_crf300l","2024_honda_crf300l","2025_honda_crf300l"]}],"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":[]}