2024 Kawasaki Ninja ZX-4RR, 2023–2024 Kawasaki ZX400P, 2023 Kawasaki ZX400S Recall: Spark plugs may have been damaged during the vehicle manufacturing…
NHTSA campaign 24V221000 · Electrical System · filed Mar 21, 2024 · verified Jul 30, 2026
The defect
Kawasaki Motor Corp., U.S.A. (KMC) is recalling certain 2023-2024 ZX400S and ZX400P (2023 Ninja ZX-4RR KRT Edition, 2024 Ninja ZX-4R, and 4RR) motorcycles. The spark plugs may have been damaged during the vehicle manufacturing process, which can result in unstable idling, hesitation, and engine stalling.
The risk
An engine stall increases the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will replace all four spark plugs, free of charge. Owner notification letters were mailed April 1, 2024. Owners may contact KMC customer service at 1-866-802-9381. KMC's number for this recall is MC27-04.
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.
Affected vehicles
Related recalls
Other campaigns involving Kawasaki vehicles
All Kawasaki Ninja ZX-4RR recalls → · All Kawasaki recalls →
Source: NHTSA recall database, campaign 24V221000 (manufacturer number MC27-04). Data last verified Jul 30, 2026.