Kawasaki has recalled 1,529 of its 2019 and 2020 Kawasaki Ninja ZX-10R motorcycles due to the possibility of a fire.

Kawasaki says the engine control unit (ECU) programming on the affected bikes – Ninja ZX-10R, Ninja ZX-10R ABS, and Ninja ZX-10R ABS KRT Edition – may cause the engine to backfire when the quick shift function is used under high engine load, which may damage the air suction valves.
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https://ultimatemotorcycling.com/2020/06/05/2019-2020-kawasaki-ninja-zx-10r-recall-possible-fire/