Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
C125 #1 - August 2026
Service Bulletin/Repair Instructions
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.
MCPSC08202026904
Other
Dealer Message - The full service bulletin and parts availability for the Emissions Recall relating to 2019-2024 C125 Super Cub FUEL SYSTEM (C125 #1) have been delayed until January 2027. Dealers will be notified again by iN message once the bulletin and parts become available.
ONLKT404292026
Emissions
Owner Notification Letter - American Honda Motor, Inc. is conducting a voluntary recall for ALL 2019 - 2024 C125 Super Cub 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.
C125 #1 - February 2026
Service Bulletin/Repair Instructions
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.
MCPSC11202025902
Other
Dealer Message - A fuel system permeation test revealed that the fuel system does not meet regulatory standards and is not in compliance.
C125 #1 - October 2025
Service Bulletin/Repair Instructions
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.
MCPSC10312025902
Other
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.