Kawasaki Ninja ZX-6 (2003–2008) vs Kawasaki Z900 (2018–2019)

Factory maintenance schedules compared.

Service	Kawasaki Ninja ZX-6 (2003–2008)ZX4J	Kawasaki Z900 (2018–2019)ZR2A
Oil change	n/a	n/a
Valve service	n/a	15,200 mi
Spark plugs	n/a	7,600 mi
Chain	n/a	n/a
Brake fluid	n/a	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Kawasaki Ninja ZX-6 (2003–2008) or the Kawasaki Z900 (2018–2019)?

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