HONDA REBEL 1100 (2021) recall — Engine And Engine Cooling
Honda recalls 2021 Rebel 1100 motorcycles with potentially leaking radiator caps that could cause injury or crash. Owners receive free cap replacement and coolant refill.
Use caution until it’s fixed
An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash.
Contact the company & request your remedy
What happened, in plain English
Honda is recalling certain 2021 Rebel 1100 motorcycles because the radiator cap may leak hot coolant, increasing injury or crash risk. Owners should contact Honda for free repairs. Read more at govinfonow.com/recall/80462-honda-2021-rebel-1100-hot-coolant-leak-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80462-honda-2021-rebel-1100-hot-coolant-leak-risk · Updated October 4, 2026 · Official notice: NHTSA #21V987000
Cite this page
“Honda 2021 Rebel 1100: Hot Coolant Leak Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80462-honda-2021-rebel-1100-hot-coolant-leak-risk. Based on NHTSA recall #21V987000 (https://www.nhtsa.gov/recalls?nhtsaId=21V987000).
Why it’s dangerous
The radiator cap may not seal properly, causing hot coolant to leak or spray. This could lead to burns or injuries if the rider is near the leak, or potentially cause a crash if the leak affects vehicle operation.
Who’s affected
Owners of 2021 Honda Rebel 1100 motorcycles are affected. Riders using these bikes without the fix could face injury from hot coolant leaks.
How to tell if you have this one
Check for 2021 Honda Rebel 1100 motorcycles (model CMX1100). The recall was notified to owners via mail on February 22, 2022.
- Brand
Honda- Category
Vehicle
What to do — step by step
Contact Honda Service
Call 1-888-234-2138 to schedule a free radiator cap replacement and coolant refill.
What NHTSA says to do
Dealers will replace the radiator cap and refill any lost coolant, free of charge. Owner notification letters were mailed February 22, 2022. Owners may contact Honda service at 1-888-234-2138. Honda's number for this recall is KN1.
Questions people ask
Is this recall dangerous?
Yes, the radiator cap may leak hot coolant, increasing injury or crash risk.
How do I know if my bike is affected?
Check if you own a 2021 Honda Rebel 1100 (CMX1100) motorcycle. The recall was notified to owners via mail on February 22, 2022.
What should I do if I have this bike?
Contact Honda service at 1-888-234-2138 for free radiator cap replacement and coolant refill.
Contact Honda
We’ve drafted a message you can send Honda to request your refund or repair — edit it as you like.
Subject: Recall 21V987000 — Honda Honda Hello, I own a Honda that is covered by recall 21V987000 from Honda. The official recall notice states: Dealers will replace the radiator cap and refill any lost coolant, free of charge. Owner notification letters were mailed February 22, 2022. Owners may contact Honda service at 1-888-234-2138. Honda's number for this recall is KN1. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #21V987000 (December 16, 2021)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.