# Service bulletins for the 2021 Honda CRF300L

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.

7 bulletins from NHTSA, as of 2026-10-19.

- [CRF300 \#1 \- August 2026](/bulletins/11036335.md), 2026-08-24, Service bulletin: FUEL/PROPULSION SYSTEM. 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.
- [MCPSC08202026902](/bulletins/11036329.md), 2026-08-24, Other: FUEL/PROPULSION SYSTEM. Dealer Message \-The full service bulletin and parts availability for the Emissions Recall relating to 2021\-2025 CRF300L/LA/LDA FUEL SYSTEM \(CRF300L \#1\) have been delayed until March 2027. Dealers will be notified again by iN message once the bulletin and parts become available.
- [ONLKT104292026](/bulletins/11032368.md), 2026-05-06, Emissions: FUEL/PROPULSION SYSTEM. "Owner Notification Letter \- American Honda Motor, Inc. is conducting a voluntary recall for ALL 2021 \- 2025 CRF300L/LA/LDA motorcycles. Our records indicate that you may own one of these motorcycles. This notice is sent to you in accordance with the Environmental Protection Agency regulations."
- [CRF300 \#1 \- February 2027](/bulletins/11029287.md), 2026-03-03, Service bulletin: FUEL/PROPULSION SYSTEM. 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.
- [MCPSC11202025903](/bulletins/11026116.md), 2025-12-04, Other: FUEL/PROPULSION SYSTEM. Dealer Message \- A fuel system permeation test revealed that the fuel system does not meet regulatory standards and is not in compliance.
- [CRF300L \#1 \- October 2025](/bulletins/11024260.md), 2025-10-14, Service bulletin: FUEL/PROPULSION SYSTEM. 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.
- [MCPSC10082025901](/bulletins/11024257.md), 2025-10-14, Other: FUEL/PROPULSION SYSTEM. Dealer Message \- 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.

JSON: [/v1/vehicles/2021_honda_crf300l/bulletins](/v1/vehicles/2021_honda_crf300l/bulletins)

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