United States2024–2026 CBR600RR motorcycles are affected; owners can check Vehicle Identification Numbers on NHTSA.gov beginning January 7, 2026 and reference recall numbers KT5/KU3 (NHTSA campaign 25V891000). The cylinder head may have been improperly manufactured, which can lead to rod bearing failure that can cause rear wheel lock up or oil leaking onto the rear tire, increasing the risk of a crash or fire. Dealers will replace the engine assembly free of charge; interim letters were mailed February 9, 2026 and a second letter is expected October 31, 2026; owners may contact Honda at 1-866-784-1870.
What's being recalled
Honda (American Honda Motor Co.) is recalling certain 2024-2026 CBR600RR motorcycles. The cylinder head may have been improperly manufactured, which can lead to rod bearing failure, possibly resulting in rear wheel lock up or oil leaking onto the rear tire.
How to identify it
NHTSA campaign 25V891000; Manufacturer campaign KT5, KU3
The hazard
Rear wheel lockup increases the risk of a crash or injury. Engine oil that leaks onto hot exhaust components increases the risk of a fire.
What to do
Dealers will replace the engine assembly, free of charge. Interim letters notifying owners of the safety risk were mailed February 9, 2026. A second letter will be sent once the remedy is available, anticipated October 31, 2026. Owners may contact Honda's customer service at 1-866-784-1870. Honda's numbers for this recall are KT5 and KU3. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 7, 2026.
The official notice
This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.
Read the official notice (opens in a new tab)