Honda NM4 (2015–2021) vs Suzuki Boulevard M109R B.O.S.S. (2014–2023)

Factory maintenance schedules compared.

Honda NM4 (2015–2021) needs fewer scheduled shop visits per 10,000 miles.

Service	Honda NM4 (2015–2021)RC81	Suzuki Boulevard M109R B.O.S.S. (2014–2023)VY53
Oil change	n/a	n/a
Valve service	16,000 mi	14,500 mi
Spark plugs	n/a	n/a
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 Honda NM4 (2015–2021) or the Suzuki Boulevard M109R B.O.S.S. (2014–2023)?

Honda NM4 (2015–2021) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.