AI Damage2021 Honda C125: common problems
The maker issued 7 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 7
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel/propulsion system | 0 | 0 | 7 |
Comparison
What to check before buying
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- 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.
- Dealer Message - The full service bulletin and parts availability for the Emissions Recall relating to…
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…
- "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…
- Dealer Message - A fuel system permeation test revealed that the fuel system does not meet regulatory…
Dealer Message - A fuel system permeation test revealed that the fuel system does not meet regulatory standards and is not in compliance.
- 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.
Other years of this model
Questions and answers
What are the most common problems with the 2021 Honda C125?
There are no owner complaints in the NHTSA data for this year; the data comes from 7 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Honda C125?
NHTSA lists 7 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 Honda C125 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.