Vehicle recall 21V690000 · September 2, 2021
Honda CB500X and CBR500R
Excessive grease in the ABS modulator may collect debris, which can get stuck in the check valve and cause a brake fluid leak.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Honda (American Honda Motor Co.) is recalling certain 2019-2020 CB500X and CBR500R ABS motorcycles. Excessive grease in the ABS modulator may collect debris, which can get stuck in the check valve and cause a brake fluid leak.
- Consequence
- A brake fluid leak can reduce braking performance and increase the risk of a crash.
- Remedy
- Dealers will inspect the lot number on the ABS modulator, and replace the modulator as necessary, free of charge. Owner notification letters were mailed November 12, 2021. Owners may contact Honda Powersports customer service at 1-866-784-1870. Honda's number for this recall is KM6.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Recall details
- NHTSA campaign
- 21V690000
- Reported to NHTSA
- September 2, 2021
- Filed by
- Honda (American Honda Motor Co.)
- Manufacturer campaign
- KM6
- Owner notification
- November 12, 2021
- Vehicles potentially affected
- 262
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Antilock/traction control/electronic limited slip; Service brakes, hydraulic
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Honda CB500X (2019-2020): 2020, 2019
- Honda CBR500R (2019-2020): 2020, 2019
Has your Honda been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. Recall repairs are free.