{
  "owners": null,
  "title": "American Honda Co recall 21V987 (KN1): 2021 Honda Rebel 1100 (CMX1100) Motorcycles",
  "url": "https://carsmultiverse.com/recall/21v987/",
  "summary": "Recall 21V987 (Honda): An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash. Honda's own number: KN1.",
  "excerpt": "Honda Rebel 1100, model year 2021. Filed by Honda (American Honda Motor Co.) and reported to NHTSA on 16 December 2021. 1,022 vehicles potentially affected. What the notice says Honda (American Honda Motor Co.) is recalling certain 2021 Honda Rebel 1100 (CMX1100) motorcycles. The radiator cap may have been improperly formed during manufacturing, which could create an insufficient seal. Is your vehicle included? Check with your VIN at NHTSA , or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on. CarsMultiverse / Recalls Honda's own number for this recall: KN1. That is the number on the owner letter and on the dealer paperwork. 21V987 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways. Answered from the register this site holds. NHTSA is the record to act on. What the authority says can happen if this is not fixed: “An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash.” 21V987 Honda (American Honda Motor Co.) Engine And Engine Cooling:Cooling System:Radiator Assembly 16 December 2021 2021-2021 HONDA REBEL 1100 An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash. Dealers will replace the radiator cap and refill any lost coolant, free of charge. Owner notific",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T22:13:19+00:00",
  "dateModified": "2026-09-16T20:27:06+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"American Honda Co recall 21V987 (KN1): 2021 Honda Rebel 1100 (CMX1100) Motorcycles\", https://carsmultiverse.com/recall/21v987/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}