Kawasaki Ninja ZX-4: Engine

Affects Kawasaki Ninja ZX-4 · 2023–2024 — about 261 vehicles.

The hazard

Issue: On certain motorcycles, the spark plugs may have been damaged during production. This could lead to an unstable idle, engine hesitation or the engine could stall. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Kawasaki will notify owners by mail and advise you to take your motorcycle to a dealership to replace the spark plugs.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational