2020–2021 Kawasaki Ninja H2, 2021 Kawasaki Ninja H2 SX, 2020 Kawasaki Z H2 and 5 other models Recall: Engine oil pressure relief valve may come apart, causing a loss of oil…
NHTSA campaign 21V593000 · Engine and Engine Cooling · filed Jul 30, 2021 · verified Jul 30, 2026
The defect
Kawasaki Motors Corp., U.S.A. (KMC) is recalling certain 2020-2021 Ninja H2, Ninja H2 Carbon, Z H2, 2021 Ninja H2 SX SE+, ZX-10R, ZX-10R ABS, ZX-10R KRT Edition, ZX-10R ABS KRT Edition, ZX-10RR, and Z H2 SE motorcycles. The engine oil pressure relief valve may come apart, causing a loss of oil pressure and possible engine stall.
The risk
An engine stall can increase 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 the relief valve, free of charge. Owner notification letters were mailed August 23, 2021. Owners may contact KMC customer service at 1-866-802-9381. KMC's number for this recall is MC21-05.
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
More Kawasaki Ninja H2 recalls
Other campaigns involving Kawasaki vehicles
Source: NHTSA recall database, campaign 21V593000 (manufacturer number MC21-05). Data last verified Jul 30, 2026.