NHTSA (USA)Medium Risk
2024 KAWASAKI NINJA ZX-4RRNHTSA Campaign #24V221000
The official notice
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.
Safety Risk
An engine stall increases the risk of a crash.
Remedy
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.
1,579 vehicles affectedMfr ref: MC27-04Updated June 10, 2026