Kawasaki Ninja ZX-6 (2003–2008) vs Kawasaki Z900 (2020–2024)

Factory maintenance schedules compared.

Service Kawasaki Ninja ZX-6 (2003–2008)ZX4J Kawasaki Z900 (2020–2024)ZRDF
Oil change n/a n/a
Valve service n/a 15,200 mi
Spark plugs n/a 7,600 mi
Chain n/a 7,600 mi
Brake fluid n/a n/a
Coolant n/a 36 mo

Common questions

Which is cheaper to maintain, the Kawasaki Ninja ZX-6 (2003–2008) or the Kawasaki Z900 (2020–2024)?

They demand a similar number of scheduled shop visits based on their factory service intervals.