Kawasaki Ninja ZX-4: Engine

Affects Kawasaki Ninja ZX-4 · 2023–2024 — about 195 vehicles.

The hazard

Issue: On certain motorcycles, the bolt for the alternator rotor may not have been tightened properly. As a result, the alternator rotor could loosen and cause the engine to stall while riding. Safety Risk: A sudden loss of engine power can create the risk of a crash. Corrective Actions: Kawasaki will notify owners by mail and advise you to take your motorcycle to a dealership to inspect and re-tighten the alternator rotor bolt.

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