Kawasaki Ninja 650 (2006–2022) vs Suzuki Boulevard C90 B.O.S.S. (2017–2018)

Factory maintenance schedules compared.

Service	Kawasaki Ninja 650 (2006–2022)EXEE	Suzuki Boulevard C90 B.O.S.S. (2017–2018)VY56
Oil change	7,600 mi	n/a
Valve service	15,200 mi	n/a
Spark plugs	7,600 mi	n/a
Chain	n/a	n/a
Brake fluid	24 mo	n/a
Coolant	36 mo	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the Kawasaki Ninja 650 (2006–2022) or the Suzuki Boulevard C90 B.O.S.S. (2017–2018)?

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